先来看看本课程的第一单元，今天先概要地复习一下这门课的第一部分，周二再回顾第二部分，为了有个起点。

So, the first unit of the class, so basically I'm going to go over the first half of the class today, and the second half of the class on Tuesday just because we have to start somewhere.

youdao

我今天要分享的故事有两部分，故此我们今天先来看第一部分，明天再看另一部分。

The story I want to tell here has two parts, so we'll look at the first part today and the rest of it tomorrow.

youdao