🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
Did you sell it to him yourself?
你自己亲自卖给他吗？
There is only one difference between an old man and a young one:
老年人和年轻人之间仅仅有一个不同：