https://online2.tingclass.net/lesson/shi0529/0009/9907/135.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
split the difference 折中，妥協(xié)，互相讓步
Okay, let's split the difference and make it 10.
我們各讓一步，十塊錢吧!
They are trying to split the difference to achieve a good result.
他們?cè)囍谙嗷ネ讌f(xié)，以求一個(gè)好的結(jié)果。
瘋狂練習(xí)吧!
