??? 情景例句
I'm sorry I missed him. I had to work late.
很抱歉我錯過了他醒著的時候。我必須工作到很晚。
Excuse me I can't do it now.
對不起我不能現在做。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要發明一種儀器，既不打盹兒，也不睡覺。