When a user clicks on the "OnSale" node, it displays all of the services from different brands, categories, and groups.

当用户点击“OnSale”节点时，它通过不同商标、种类和团体来显示所有服务。

Think about an online mall, which can aggregate all of the "OnSale" items from different brands, so that consumers can get all of the sale items in one place.

考虑一下在线商业，它集合了所有不同商标的“OnSale”项目，因此消费者在一个地方便能得到所有的出售项目。