Test the correlation set implementation by using one of the QuoteCost staff activities to return the shipping cost.

通过使用其中一个QuoteCost活动来返回托运成本，从而测试相关集实现。

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Since the cost of return shipping is prohibitively expensive in this case, you do not need to return the original item.

因为在这种情形下极度昂贵的航运退费，您不需要寄回原始商品。

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