Ifyoudonotuseyourarmoryourlegsforsometime,theybecomewea...
問題詳情：Ifyoudonotuseyourarmoryourlegsforsometime,theybecomeweak;whenyoustartusingthemagain,theyslowlybecomestrongagain.Everybodyknowsthat.Yetmanypeopledonotseemtoknowthatmemoryworksinthesameway.Whens...