I volunteered in the middle of April to be our residential community's group-buying leader for Lyfen products, a Shanghai-based snack vendor listed as a licensed provider of daily supply packages.

4 月中旬，我自愿成为我们住宅社区的来伊份产品团购的团长，这是一家总部位于上海的零食供应商，被列为每日供应套餐的特许供应商。