- 問題詳情:Believeitornot,ifyoudonotuseyourarmsoryourlegsforalongtime,theybecomeweak.Whenyoustartusingthemagain,theyslowlybecomestrongagain.Everybodyknowsthat.Yetmanypeopledonotseemtoknowthatmemoryworksinthesameway.Whensomeonesaysthathehasagoodmemory,he...
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