Youareprobablyfamiliarwiththesaying:Anappleadaykeepsthe...
問題詳情:Youareprobablyfamiliarwiththesaying:Anappleadaykeepsthedoctoraway.ArecentresearchcarriedoutbytheChineseUniversityofHongKongmaychangethesaying:Anappleadaymaykeepagingaway.Theresearchchosefruitfl...