求翻译：在实际操作时，我们的货代前去贵司仓库提货。但在这之前，我们需要询问我们的海关是如何规定的，因为我们是第一次发生客户退货的事情，没有操作此类事件的经验。是什么意思？

正在翻译，请等待...

Actually, we went to the freight forwarding division for your warehouse picking. But before that, we need to ask how our customs, because we are the first time a customer returns, and there is no operating experience in this type of event.

When actual operation, our goods generation goes the expensive department warehouse to take delivery of goods.But before this, we need to inquire how we the customs are stipulate, because we are first time have the matter which the customer returns goods, has not operated this kind of event the expe

In actual operation, our freight delivery to your warehouse. But before that, we need to ask how our customs regulations, because we are customer returns of what happened the first time, no experience in operation of this type of event.

正在翻译，请等待...