Official Receipt：正式收据 (receIpt指收据，**为invoice) 例句：Official receipt will be issued for tax deduction purpose.捐款可凭正式收据申请扣减税项. An official receipt will be sent to your mailing address course.正式收据将邮寄至阁下之邮寄地址. Official receipt will be issued for donation.本园将会为捐款人发出正式收据.
