🗣️ 情景例句
What currency do they use in U.S.A.?
在美国人们用什么货币？
Suppose you couldn't go on the trip.How would you feel?
假定你不能继续你的旅行，你将感觉如何？
Manners are quite different from country to country.
各国的礼仪各不相同。