- 問題詳情:HappyLeapDay!LeapDay,youask?Yes,it’sFebruary29.Youmaynoticethisdatedidn’tappearonthelastyear’scalendar,ortheyearbeforethat,or…That’sbecauseLeapDayhappenseveryfouryearsand2014isaleapyear.Aleapyearhas366daysinsteadoftheusual365daysthatanor...
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