If the organic material decays or is oxidized, it will not form petroleum.
如果有机物腐烂或氧化，它不会形成石油。
If you'd like to recognize the greenness of an individual or organization, why not nominate them for an Environmental Achievement Award.
如果你想赞扬某个人或团体的绿色环保行为，何不将他们提名为环境成就奖的候选人？
If someone uses your credit card fraudulently, it's the issuer or merchant, not you, that takes the hit．
如果有人欺诈使用了你的信用卡，受打击的不是你，而是信用卡发行机构或商家。
If the gerbil's spouse dies, it may or may not accept a new spouse.
如果沙鼠的配偶死去，它可能会也可能不会接受一个新的配偶。
If you have a cold or flu, you'd better not pass it on to anyone else.
如果你得了感冒或流感，最好不要把它传染给别人。
Don't worry if you are not sure where you're headed or what your long-term goals are.
如果你不确定你的目标是什么，或者你的长期目标是什么，不要担心。
If someone uses your credit card fraudulently, it's the issuer or merchant, not you, that takes the hit.
如果有人用你的信用卡诈骗，受打击的不是你，而是信用卡发行机构或商家。
If you do so, they will use your website or app not because they have to but because they want to.
如果你这样做，他们会使用你的网站或应用程序，不是因为他们必须这样做，而是因为他们想这样做。
If deficit reduction aggravates these biases, more Americans may choose not to have children or to have fewer children.
如果削减赤字加剧了这些偏见，更多的美国人可能会选择不生孩子或少生孩子。
If it requires even a little of your energy or time, you'll end up not doing and the dreared whoosh will come again.
即使它只需要一点点你的时间和精力，你还是会什么都不做，然后可怕的呼啸声又将到来。
If your braided hair has loosened, if the parting of your hair be not straight, or if the ribbons of your bodice be not fastened, do not mind.
如果你的发辫若已松开，你的发缝若不平直，你的腰线若未系紧，你也不必介意。
However, the supplement will not raise any worker's income above what government assistance would provide if he or she were not gainfully employed.
但是，如果工人没有有薪工作，补贴不会使他们的收入超过政府援助的水平。
A year from now (or less if you're not such a scaredy-cat like I was), you just might not be imagining that loving the morning scenario anymore.
一年之后（也许会更短，如果你不是像我一样的胆小的话），你可能再也不会想象自己热爱早晨的场景了。
If "entitled" is the most common adjective, fairly or not, applied to millennials (those born between 1981 and 1995), the catchwords for Generation Z are practical and cautious.
如果说“有权享用”是形容千禧一代（1981年至1995年出生的人）最常用的形容词——无论恰当与否——那么描述 Z世代的关键词则是“讲求实际”和“谨慎小心”。
If families do not know English or have limited English skills themselves, how can they communicate in English?
如果一个家庭自己不懂英语或者英语能力有限，又怎么能用英语交流呢？
They might not feel the sense of competence if they compared themselves to celebrities or more brilliant friends online.
当他们拿其他名人或者优秀的网友与自己比较时，他们可能会感受到自己的无能。
If you or a friend or a family member has a peanut allergy, please do not try this at home.
如果你或朋友或家人有花生过敏症，请不要在家做这样的尝试。
If an earthquake, hurricane or other disaster strikes your community, you might not have access to food, water, and electricity for days or even weeks.
如果地震、飓风或其他的灾害突袭你的家园，你可能会好几天甚至好几个星期都无法获得食物、水和电。
Once or twice she wondered if he were not gradually falling into a doze.
有一两次，她怀疑他是不是渐渐打起瞌睡来了。
She might even climb the roof, or be exposed to similar dangers, if she was not cured at once.
如果不马上治愈，她甚至可能爬上屋顶，或者暴露在类似的危险中。
It can be used to predict which kinds of people are likely to break the law or hurt others, even if they have not done anything wrong.
它可以用来预测什么样的人可能会触犯法律或伤害他人，即使他们没有做错什么。
It's not important, then, if there's a delay of a few years, or decades.
如果信号的接收会延迟几年或几十年，那么这个问题并不重要。
If we're not engaged as much in our normal work or school, we have extra time to call parents and grandparents.
如果我们没有忙于日常工作和学业，我们将有额外的时间给父母和祖父母打电话问候一下。
When someone dangerously cuts you off on the freeway, your thought might be, "I do not want this anger" (or "rage", if it's that bad).
当有人在高速公路上危险地超车时，你的想法可能是，“我不要生气”(或者“暴怒”，如果它是那么糟糕的话)。
If you're not an introvert yourself, you are surely raising, managing, married to, or coupled with one.
如果你自己不是一个内向的人，你肯定在养育、管理一个内向的人，或者和一个内向的人结了婚或在约会。
You're not sure if you're going to read something that's related to literature, or to science.
你不确定是读点跟文学相关的还是读点跟科学相关的内容。
If the listener is not paying attention, it's your sign to shorten the story or change direction.
如果听者不专心，这表明你应该缩短故事或改变话题。
Lectures have hundreds of students and they are not going to follow you up or question you if you miss the lectures.
讲座有数百名学生参加，如果你错过了讲座，他们不会继续跟进或提问。
Even if you highlight important points or take notes in a class, you probably do not fully understand what you learned.
即使你在课堂上用彩色笔标出中重点或记笔记，你都不一定能完全理解你学到的东西。
If you have an office job you might not be getting outdoors enough, or getting enough exercise, and your health might suffer.
如果你有一份办公室工作，不能经常到户外，或者做足够多的运动，你的健康就有可能受到影响。
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