- 问题详情:InmanyplaceslikeBritainandItaly,ifyouleavethehousewithoutyourwallet,you'llbeinadifficultsituationallwaytopayforfoodorinChina'slargestcities,youcancertainlysurvivewithoutcarryingcashorcreditcardsaslongasyou'vegotyoursmartphone.WhenIlivedint...
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