The "40th Generation 50 yuan Voucher" usually refers to a coupon or voucher, which can deduct the amount of 50 yuan when purchasing goods or services, but you need to pay 40 yuan to get this coupon.

Coupons are discount coupons issued by merchants or platforms, and a certain amount can be deducted when purchasing goods or services. Coupons usually have certain conditions and restrictions, such as use time, use scope, minimum consumption amount and so on.