A few years ago, group-buying websites hardly existed.

几年前，团购网站几乎还不存在。

youdao

Online group-buying websites is accepted by more and more units.

网络团购被越来越多的单位接受。

youdao

Being a team leader can be a lot of work, so group-buying websites have sprung up, serving as agents between buyers and sellers and receiving a commission from the sale.

组织大家团购是一件劳心费力的差事，所以众多团购网站迅速涌现出来，成为买家和卖家之间的“代理”，并从交易中获得一定的佣金。

youdao

Group-buying is not a natural monopoly, yet there is a limit to how many group-buying websites consumers will use.

FORBES: Online Group Buying's Need For Speed

Like Fast Track, The Signature Lounge has also used "group-buying" websites to help boost sales.

BBC: Mall v internet: Can ecommerce conquer the Middle East?

Likewise, for the time being, any increasing revenue seen by using group buying or local commerce websites is also excluded - even when the payment is actually made through the Internet.

BBC: Mall v internet: Can ecommerce conquer the Middle East?