Complications
n. 并病；并发症（complication的复数）
🗣️ 情景例句
It's no big deal.
这没有什么。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
Forty-two years later a tunnel was actually begun.
42年以后，隧道实际已经开始建了。