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