- 問題詳情:Peopleoftenaskwhichisthemostdifficultlanguagetolearn,anditisnoteasytoanswerbecausetherearemanyfactorstotakeintoconsideration.Firstly,inafirstlanguagethedifferencesareunimportantaspeoplelearntheirmothertonguenaturally,sothequestionofhowhardala...
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