載入中... 相關課程 Back 【數感】防疫數學|自由誠可貴,防疫價更高!乖乖居家檢疫的機會成本是什麼? 登入觀看 ⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles. 【數感】防疫數學|自由誠可貴,防疫價更高!乖乖居家檢疫的機會成本是什麼? 上傳學習單 下載學習單