🗣️ 情景例句
He always seems such a happy guy.
他似乎永远是个快乐的人。
You are still thinking about a Ph.D., aren't you?
你还是想学成博士，是吗？
I'm sure you need an original signature, not a faxed copy.
我知道你们需要的是原件，不是传真件。