Two weeks before the first day of classes, I decided to write my own book. My goals were.

开课的两周之前，我最终决定要写个自己的教科书。目标如下。

youdao

Two weeks before the first day of classes, I decided to write my own book. My goals were.

开课的两周之前，我最终决定要写个自己的教科书。目标如下。

youdao