举例:
1.大约;左右
It costs about $10.这大约要花10元钱。
2.关于;对于
Tell me all about it.把这件事全部告诉我。
3.目的是;为了;涉及…方面
What was all that about?这到底是怎么回事?
4.忙于;从事于
Everywhere people were going about their daily business.无论哪里人们都在忙着干日常工作。
5.将近;几乎
I'm just about ready.我就要准备好了。