自然语言处理的算法:reason has no share 啥意思?

reason has no share 啥意思? Why computer closed that no reason ? there's no reason that... no star alliance or code share NO reason中NO的用法是什么？谢谢 He has no pencil ( ) no pen . what has no beginging and no end What table has no leg? John has no friends because he has u____ personality. what kind of dog has no tail