✅ 同义词
🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
Second, the bank called and told me I would have to keep up with my car payments or I might lose the car.
其次银行通知我得继续支付小汽车的贷款，否则我将会失去小汽车。
I can't find that either.
也找不到。