It is always a good idea to keep a lot of necessary supplies in the home even before winter begins.

VOA: special.2010.01.05

It could be, for instance, that language is such a good idea that every culture comes across it and develops it.

比如说,可能只是因为,语言是一个非常棒的创新,所有文化都接受了它,并且发展了它

耶鲁公开课 - 心理学导论课程节选

So writing is a very, very good example of helping you take an idea and making it a reality.

所以写作是一个很好的典例，它能帮助你把一个想法变为现实。

英语写作：技巧 - SpeakingMax英语口语达人

CDC spokesman Christopher Cox says though the idea is well-intentioned, it is not a good way to protect against serious illness.

VOA: standard.2009.12.18

Changing the diet of populations is a pretty good idea and it's the kind of thing that could help individuals certainly lead healthier, happier lives, but also could change things like healthcare costs for a whole country, so these are big, big factors.

改变大众的饮食是个很好的想法,它不仅可以让人们过上更健康幸福的生活,还可以改变整个国家的医保费用,所以饮食是个非常非常重要的因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"She's expected to stay home, not to go away to college or do anything that would betray the family's idea of what it is to be a good daughter."

VOA: standard.2010.07.22

And you know it's not the necessarily a good idea to do it, you start with "The thing is".

你心里清楚这么做并不一定是个好主意，你就可以用“The thing is”来回答他们。

The thing is 课堂 - SpeakingMax英语口语达人

"It just is not a good idea." Swine flu parties are the latest version of chickenpox parties, where parents encourage their kids to share lollipops, spoons or whistles to spread the disease and get immunity.

VOA: standard.2009.12.18