Contigency
a. 预防性
🗣️ 情景例句
What do you often eat for supper?
你晚饭通常吃什么？
You can take a horse to the water but you cannot make him drink.
马到河边不喝水，逼马低头亦枉然。（不要逼人做他不愿做的事）
Yes. Let me introduce him to you.
是的，让我把他给你们介绍一下。