Mother'sDayisaholidayformothers.Itiscelebrated(庆祝)intheUnitedStates,English,Indiaandsomeothercountries.Inashorttime,itbecomeswidelycelebrated.Mother'sDayfallsonthesecondSundayinMay.Onthatday,manypeoplesendgifts(礼物)oflovetotheirmothers.Thosewhosemothersarestilllivingoftenwearapink(粉红色)orredrose(玫瑰)orcarnation(康乃馨花),whilethosewhosemothersaredeadwearawhiteone
TheideaofadayformotherswasfirstgivenbyMissAnnaJarvisofPhiladelphia.Asaresultofherhardwork,thecelebrationofthefirstAmericanMother'sDaywasheldinPhiladelphiaonMay10,1908.Soontheholidaybecamepopularalloverthecountryandaroundtheworld.
InChina,peopledothesameonthedayformothers.And,insomecities,peoplesometimesaskasongtobebroadcast(广播)forhisorhermotheronly.Thismightcostalittlemoneyforsomeofthem,but,asitissaid,"Loveisinvaluable."
WhydopeoplesendgiftstotheirmothersonMother'sDay?
不是翻译是回答问题：WhydopeoplesendgiftstotheirmothersonMother'sDay?