当买家发起退货申请，我发现ebay根本不能拒绝

当买家发起退货申请，我发现ebay根本不能拒绝，也不能让客服介入，这简直就是强盗所为。我只能选以下四个选项。

Select a replyAccept the returnProvide a return shipping label or postage to the buyer via e**. You are responsible for the shipping cost. Wait to get the item back before you refund the buyer. 

Give a full refundYou fully refund the buyer to close this request. The buyer keeps the item. 

 Offer a partial refundYou have one chance to offer an amount. The buyer keeps the item. 

 Send the buyer a messageYou can reply to the buyer.