什么是服务费？

服务费是Shopee向签署了现金返还和免费送货计划的卖家提供的服务收取的金额。 

下订单时，将向卖方收取一定百分比的销售商品成本（COGS）。该百分比取决于您所属于的卖方类型和所从事的计划：

订单完成后，这笔费用会自动从您的帐户中扣除。

shopee官网原文详情：   

What is a Service Fee?

Service fee is an amount charged by Shopee for the services provided to sellers who sign up for the Cashback and Free Shipping Programmes. 

Sellers are charged a percentage of the Cost of Goods Sold (COGS) when an order is placed. This percentage is based on the type of seller you are and the programme you are in:

This fee is automatically deducted from you after an order is completed.

什麼是服務費？

服務費是Shopee向簽署了現金返還和免費送貨計劃的賣家提供的服務收取的金額。 

下訂單時，將向賣方收取一定百分比的銷售商品成本（COGS）。該百分比取決於您所屬於的賣方類型和所從事的計劃：

訂單完成後，這筆費用會自動從您的帳戶中扣除。

文章来源：shopee官方网站