这小女孩在晚会上一直胆怯地远离人群。
现在旅行变得越来越容易了,但是要远离人群却越来越难,这也许是度假者最困难的事情。
It is getting much easier to travel nowadays, but increasingly harder to get away from people, and that is perhaps the most difficult thing for holiday makers.
该龙卷风停留在开阔的乡野,远离人群和建筑,以每小时120英里的时速旋转,但仅以每小时5英里的时速移动。
This twister stayed in the open country, away from people or buildings, rotating at 120 mph but only moving at 5 mph.
So, you're treating healthy people and you're trying to prevent them from getting a disease and you don't know who's going to get it.
所以,你处治的对象是健康人群,要使他们远离疾病,但你不知道谁会被感染
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