https://online2.tingclass.net/lesson/shi0529/0007/7841/slang018_905.mp3
https://image.tingclass.net/statics/js/2012
【句子對(duì)照】
I did a 15-week crash course in typing.
我參加了一個(gè)15周打字速成班。
【關(guān)鍵俚語】
crash course
英：concentrated, short term course
中：速成班
