When you think of couponing, you picture a mom cutting coupons out of the back of the newspaper.

When you think of couponing, you picture a mom cutting coupons out of the back of the newspaper.

当你想到优惠券的时候，你会想到一个妈妈从报纸背面剪下优惠券。

-- Andrew Mason 安德鲁·梅森