https://online2.tingclass.net/lesson/shi0529/0009/9907/286.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
flat 干脆的，直截了當(dāng)?shù)?，絕對(duì)的
Mary gave me a flat refusal.
Mary很干脆的拒絕了我。
You must finish it today, and that's flat.
你今天一定要做完，沒商量。
瘋狂練習(xí)吧!
