Example:
例子：
As we all know, air pollution has become a serious problem.
我们都知道，空气污染已经成为一个很严重的问题R3_C[P=rRhD,U11!)]^。
Everybody knows air pollution has become a serious problem.
大家都知道空气污染是个很严重的问题*UXWZ9XfmQ8x=[.G。
1.None of us would like to see dirty water and rubbish lying around.
1.没有人愿意看到到处都是污水和垃圾IaQEVv+xTe&Y*lNL-)h。
Nobody would like to see dirty water and rubbish lying around.
没有人愿意看到到处都是污水和垃圾4*^*|T8q98jLz9o1)。
2.We should follow social rules and spit nowhere in public.
2.我们应该遵守社会规则，不应在公共场合吐痰ALDE~85VHdbE。
We should follow social rules and not spit anywhere in public.
我们应该遵守社会规则，不应在任何公共场合吐痰%up(25aP(!g。
3.We should do everything to protect the environmemt in our daily lives.
3.日常生活中，我们应该竭尽全力保护环境Mix=MY5p0]#o;XV*lN,N。
We shouldn't do anything to destroy the environmemt in our daily lives.
日常生活中，我们不应该做任何破坏环境的事@s^AnM@ElBsXLlhMOo&t。