must imply 包埋 may imply你地睇清楚d因為如果may imply price competition就等於not necessarily imply non-price competition?
佢mock問shortage must imply xxx
爭拗點在於shortage MUST imply NON-price competition 岩唔岩
佢send email比prof問既係
Shortage MAY imply price competition岩唔岩
兩樣野黎,教授係比佢伏左
利申唔識econ
may imply 唔代表 must imply
Logic.
imply 就imply 冇話may 定must

我話differentiability imply continuity 你話係may 定must
