have no是没有的意思!
don't have也是没有的意思!
就比如 There is no cat over there!与There isn't a cat over there!这里面的is no等于isn't a/an!
而are no则等于aren't any(否定句和疑问句里用any,肯定句里用some!）
have no与don't have也是同样的!