- 問題詳情:Youdon'thavetounderstandthestockmarkettoproveacountryishavingadifficulteconomictime.Youhaveonlytolookatlipsticksalestoseehowbiganeconomicdownturnacountryfaces.Salesofmake-uplikelipstickgoupwhentheeconomyisbadandgodownwhentheeconomyimproves.T...
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