Interobserver
观察者间
🗣️ 情景例句
She has the ability to keep calm in an emergency.
她有处变不惊的本事。
There's no such thing as a free lunch.
天下没有白吃的午餐。
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。