not与no

not使句子或句子的一部分的语意变成否定。

Her mother is a nurse, not a doctor. 她妈妈是护士，不是医生。

I'm interested in physics, but not in chemistry.

我对物理有兴趣，但对化学没兴趣。

"Who took my notebook?""Not me."谁拿了我的笔记本？ 不是我。

"I got 80 percent on my test.""Not bad"我考80分。 不错喔。

no是形容词。 no + 名词

not是副词，通常不直接放在名词前面。 not a/any = no

I have no money. = I don't have any money. 我没有钱。

There are not any apples on the tree. = There are no apples on the tree. 树上没有苹果。

He is not a fool. = He is no fool. 他不是傻瓜。

I won't tell anybody about the secret. = I will tell nobody about the secret. 我不会把这个秘密告诉任何人。