退货运费险 用英语怎么说？

return shipping insurance

「退货运费险」就是 return shipping insurance，退货时赔付运费的电商小保险。

I always add return shipping insurance when I buy clothes online, because returning the wrong size costs more than the insurance itself.

我在网上买衣服时总会加购退货运费险，因为退错尺码的运费比保费还贵。

The seller offered return shipping insurance, so I sent the parcel back through the courier without paying for postage.

卖家提供了退货运费险，所以我通过快递把包裹退回时没有自己付运费。