🗣️ 情景例句
They are expecting their first child.
他们在怀他们的第一个小孩。
This is my friend Susan.
这位是我的朋友苏珊。
Advertisers discovered years ago that all of us love to get something for nothing.
做广告的人们多年前就发现我们大家都喜欢免费得到东西。