Mathematical economics
[经] 数理经济学
🧩 词语组成解析
🗣️ 情景例句
If it is caused by the transportation?
如果是由运输造成的呢？
All things will come round to him who will but wait.
只要耐心肯等待，一切都会按时来。
One had winter we watched the river creep up the lower meadows.
有一年冬天，天气不好，我们眼看着河水浸没了地势较低的草场。