China Naming Network - Almanac query - Where can I buy a small black postgraduate class?

Where can I buy a small black postgraduate class?

Wechat WeChat official account Xiaohei classroom.

Mr. Xiaohei's voice is so loud that I can't sleep at all after listening to his class. Teachers are humorous and have their own characteristics, but Xiaohei is a businessman first, then a teacher.

上篇: What is the omen of dreaming that a snake is in the way? What do you mean? 下篇: What should I do if I forget the names of my friends and children? My friend said it once, and I forgot. Really, it's better to ask politely