ImagineclearingleavesonChristmas,orsweeponMemorialDay...
问题详情: ImagineclearingleavesonChristmas,orsweeponMemorialDay.WhataboutgoingforaswimonThanksgiving?WithoutLeapDay(闰日),whichtakesplaceeveryfouryears,itcouldhappen. Ourcalendar(日历)isnormally3...