Why not+动词原形。如：1.why not go to the park?2.Why not go out and see if there's some place we can dance?
Why not例句I shrugged, as if to say, 'Why not?'
我耸了耸肩，仿佛在说，“为什么不？”
Why not?
有何不可？
Why not retrain for a job which will make you happier?
为什么不接受新的培训，找一份让你更快乐的工作？
Why not have it out with your critic, discuss the whole thing face to face?
为什么不和批评你的人讲个明白，面对面地把整件事情谈一谈呢？
