让我以这门课的教科书开始谈。

Let me start by talking about the textbook.

youdao

你今天有课吗你忙吗我们要谈聊天吗？

Do you have class today? Are you busy now? What about chatting with me?

youdao

你今天有课吗你忙吗我们要谈聊天吗？

Do you have class today? Are you busy now? What about chatting with me?

youdao