need doing something 需要做某事
要做点什么吗?
I think the need to be seen doing something might even result in action in Washington to move the country away, even if only so slightly, from its dependence on oil.
我认为,政客们准备做的事情还会有一个结果,即促使华盛顿改变这个国家的一些能源政策,降低对石油的依赖。
Just do it while you're doing something else you need to do anyway, like eating.
一些事情反正都要做,比如吃饭,不如在吃饭时完成社交活动。
It's very clear you don't need a force if something is doing nothing, just sitting there.
显而易见,如果物体没有运动,只是静止状态,那是不需要力的
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