Postman problem
[计] 邮递员问题
🧩 词语组成解析
🗣️ 情景例句
Marriage is an institution not to be taken lightly.
婚姻是个不能儿戏的体系。
Too much spoils, too little is nothing.
过多反坏事，太少不济时。
I've got three weeks altogether. What do you suggest I see?
我总共有三周时间。你建议我看些什么呢？