在我的iOS应用程序中，我有以下代码:caseSASpeechSubCase03:{SAActivitycurrentActivity=self.mediator.selectedActivity;NSString*sActivity=NSLocalizedString(@"activity",@"activity");NSString*sActivity2=NSLocalizedString(@"anotheractivity",@"anotheractivity");if(currentActivity==SAActivityWalk){sActivity=NSLocalizedS