If...then...else
[计] 如果...则...否则
🗣️ 情景例句
Mary, this is Stone's brother Jim.
玛丽，这是世通的兄弟吉姆。
After graduation, Mr. Jones immediately became a member of the United Nations Relief and Rehabilitation Administration.
毕业后琼斯先生就加入了联合国救济善后总署。
I say, let's go out for a drive next Sunday.
我说，咱们下星期天开车出去兜兜风吧。