buts

基本解释

You use but to introduce something that contrasts with what you have just said, or to introduce something that adds to what you have just said.
You use but when you are about to add something further in a discussion or to change the subject.
You use but after you have made an excuse or apologized for what you are just about to say.
You use but to introduce a reply to someone when you want to indicate surprise, disbelief, refusal, or protest.
But is used to mean "except."
But is used to mean "only."
You use but for to introduce the only factor that causes a particular thing not to happen or not to be completely true.
You use but then or but then again before a remark which slightly contradicts what you have just said.
You use but then before a remark which suggests that what you have just said should not be regarded as surprising.
all but&rarrsee all
anything but&rarrsee anything