couponing
noun/ˈkuːpɒnɪŋ/
/ˈkuːpɑːnɪŋ/, /ˈkjuːpɑːnɪŋ/
[uncountable] (North American English)- the practice of collecting and using coupons that offer discounts (= amounts of money taken off) on goods or services
优惠券：收集和使用为商品或服务提供折扣的优惠券的做法 - Couponing is a good way to save on groceries, but it means you can't favour brands.
优惠券是节省杂货费用的好方法，但这意味着你不能偏爱品牌。
- Couponing is a good way to save on groceries, but it means you can't favour brands.