The most successful is Groupon (a combination of the words "group" and "coupon", which buyers print out to pay for their service).
但最成功的是团宝网Groupon (Groupon一词是“ group ”团队和“ coupon ”优惠券的组合，买家将礼券打印出来以获得服务)。
3
Groupon, whose name is a combination of group and coupon, inspired numerous clones of its business model—selling discounted products and services from local merchants.