??? 情景例句
What's the difference? No one will ever find out.
有什么兩樣?沒有人會發現。
I have a dog, but it's very quiet.
我有一只狗,不過它很安靜。
The secretary worked late into the night, preparing a long speech for the president.
秘書工作到深夜,為總統準備發言稿。