求英语翻译,不要翻译器翻的!~Jeff:Hey,Nick,canyoucometomyhouseonSaturday?MycousinSamfromXi'anisgoingtobehere.Nick:Oh,Sam!Irememberwewentbikeridingtogetherlastfallwhenhevisitedyou.Jeff:Yes,that'sright.Nick:I'dlovetocome,butI'mafraidIcan't.IhaveanexamonMondaysoImustprepareforit.Jeff:That'sreallytoobad!Oh,butSamisn'tleavinguntilnextWednesday.CanyouhangoutwithusonMondaynight?Nick:Sure!CatchyouonMonday!