▍原文 So long as your health records show "obesity," you can exchange the weight you lose for beef, beef bones, or oxtail. This is not a movie plot, but an actual activity taking place in Wuxi, Jiangsu Province. More than 2,000 people have signed up so far, and the challenge will continue until December 31. The total weight loss eligible for these prize exchanges is capped at 10 kilograms per participant. By trading "fat for beef," this campaign transforms losing weight from a boring duty into an active, even fun, pursuit. ▍語言點 1. so long as 只要（用來引出條件） 2. obesity /əʊˈbiːsəti/ n.（醫學術語）肥胖 3. exchange A for B 用A交換B 4. sign up 報名，注冊參加 5. eligible /ˈelɪdʒəbl/ adj. 符合條件的，有資格的 6. cap /kæp/ v. 設定上限，給…加個蓋子；n. 帽子，蓋子 7. trade A for B 用A交換B 8. transform sth from… into… 把某物從……轉變為……（強調徹底的、本質的改變） 9. pursuit /pəˈsjuːt/ n. 追求/從事的活動 搜索【友鄰優課】微信小程序，收聽晨...