[Translation from Japanese to English ] Why could MyUS not return products to the sellers? Even if I send my product...

Original text

なぜMｙUSは、販売者に返品出来ないのですか？

商品を製造メーカーに送っても、私が支払ったお金（＄190.99）は戻ってきません。

私は、お金を取り戻すことが出来ないのでしょうか？

宜しくお願いします。

Translation / English

Why could MyUS not return products to the sellers?
Even if I send my products to the manufacturer, the money I have paid ($190.99) will not come back.
Does that mean that I can never get my money back?
Kind regards.

Translation / English

I don't understand why MyUS is not able to return the item to the seller.
I won't get the refund of my payment ($190.99) even though I return it to the manufacturar.
It's no possible to get my money back?
I look forward to your reply.