Sternest
stern（严厉的, 严峻的）的最高级形式
🗣️ 情景例句
It's cold outside.
外面很冷。
Therefore, having a basic knowledge of business.
因此，懂得一些商务和贸易的英语术语。
I'm hungry. I haven't eaten anything since yesterday.
我很饿了，昨天到现在都没吃过东西。