YoumayknowthesongHappyBirthdayverywell.Butdoyouknowabou...
问题详情：YoumayknowthesongHappyBirthdayverywell.Butdoyouknowaboutitswriter?ItwaswrittenbyanAmericangirl.Andshebecameveryrichafterthat.Whenshewasachild,shewaspoor.Once,shewasinvitedtoherfriend’sbirthda...