Believeitornot,ifyoudonotuseyourarmsoryourlegsforalongt...
问题详情:Believeitornot,ifyoudonotuseyourarmsoryourlegsforalongtime,theybecomeweak.Whenyoustartusingthemagain,theyslowlybecomestrongagain.Everybodyknowsthat.Yetmanypeopledonotseemtoknowthatmemoryworksi...