why not .?为什不.呢?
You'd better (not) do sth. 你最好(不)做某事
why don't you do sth? 你为什么不.?
advise sb (not) to do sth 劝告某人(不)做某事
Let sb do sth 让某人做某事
What do oyu think of doing sth? 你认为做某事.?
why not .?为什不.呢?
You'd better (not) do sth. 你最好(不)做某事
why don't you do sth? 你为什么不.?
advise sb (not) to do sth 劝告某人(不)做某事
Let sb do sth 让某人做某事
What do oyu think of doing sth? 你认为做某事.?