一周以後, You-Tube

来源: 于 2017-09-04 05:25:31 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Imagine it is CNN, and I get paid. My speaking is under class, need faster and clearer. I will show 50 illustrations and large printed scriptions for 18 min. presentation.