Firstclass
adv. 头等的
🗣️ 情景例句
You are in great shape, Richard.
你的身体状况好极了， Richard。
We usually deal on a 20% trade discount basis with an additional quantity discount for orders over 1000 units.
我们通常给予20%的商业折扣，外加订货1000件以上的数量折扣。
You can never turn the clock back.
时光不能倒流。