🗣️ 情景例句
No.
没有。
While you were writing letters,I was reading a book.
当你正在写信时，我正在读一本书。
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。