# 折扣和现金返还

在 CanCan 上运行折扣和返现有多种方式。您可以基于以下因素奖励用户：

* 他们在您频道上的购买历史
* 他们在其他频道上的购买历史

折扣和返现可以针对特定产品或特定频道上的所有产品进行定义。

折扣和返现之间的主要区别在于，折扣将减少您购买产品的价格，而返现将返还您在先前购买产品上花费的现金/信用额。


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.payswap.org/zhong-guo-ren/products/cancan/discounts.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.