Why not的用法和样例:
例句
- No reason why not.
没有什么不可以的。 - Yes, why not?
是的,为什么不呢? - I see no reason why not.
我看不出有什么理由不这样。 - Why not stop them (from) polluting the river?
为什么不阻止他们污染这条河呢? - Yes, I don't see why not.
是的,我看不出有什么不好。 - Why not let her do as she likes?
为什么不让她想怎么做就怎么做呢? - Must you dash off? Why not stay for a cup of tea?
你一定要急急忙忙走吗?为何不留下喝杯茶呢? - The key question is in focus; why not reach a decision?
主要问题已非常明显,为何不作出结论呢?