https://online2.tingclass.net/lesson/shi0529/0009/9907/3.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
post-90s 90后
post 在...之后
As a post-90s teacher, I find it really hard to keep up with the fashion of kids nowadays.
作为一个90后的老师，我发现自己越来越难以跟上现在孩子们的潮流了。
疯狂练习吧!
