https://online2.tingclass.net/lesson/shi0529/0009/9907/198.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
call it a day 今天就到這，到此為止
Let's call it a day and go to the movies.
我們收工看電影去吧!
call it a night 今晚就這樣吧，收工吧
Shall we call it a night and continue our discussion tomorrow?
我們今晚就此結束，明天繼續(xù)討論好嗎?
瘋狂練習吧!
