https://online2.tingclass.net/lesson/shi0529/0009/9907/216.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
change the subject 改变话题，转移话题
Don't change the subject, just answer me!
别转移话题，回答我!
No matter how I tried to change the subject, he carried on.
无论我怎么努力改变话题，他还是滔滔不绝地说个不停。
疯狂练习吧!
