Carsarelotsoffun,buttheycouldalsobedangerous.Wehavetobe...
問題詳情:Carsarelotsoffun,buttheycouldalsobehavetobecarefulwhenwedrivethemorrideinthem.It'salwaysagoodideatoputonyourseatbeltwhenyou'reina?Thinkaboutthisexample:Youputaneggonaskateboardandgiveitatheskat...