- 问题详情: IrememberthedaywhenIfirstlearnedtorideabike.Itwasafrightening,yetfunexperience.MygranddadwastheonewhotaughtmeandhehelpedmewhenIgothurt.ThefirsttimeIgotonabike,IhadnoideawhatIwasdoing,andjustabouteverythingwentwrong.Mygranddadtoldmetojus...
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