求翻译：卖方将货物运至指定装运港的船边或驳船内交货，并在需要办理海关手续时，办理货物出口所需的一切海关手续，买方承担自装运港船边（或驳船）起的一切费用和风险。是什么意思？

The seller shipped the goods to the named port of delivery within a boat or barge, and the need for customs clearance, all the necessary goods for export customs formalities, buyer side of the boat from the port of shipment (or barge) from all costs and risks.

The seller delivered the goods to the named port of shipment delivery within the ship's side or barge, and, when necessary, when customs formalities necessary for the export of the goods, the buyer bears all customs formalities from port of shipment from ship's side (or barge) all costs and risks.

The seller transports the cargo to assigns the shipping port nearby in the ship or the barge delivers, and when needs to go through the custom procedures, goes through all custom procedures which the cargo exportation needs, the buyer undertakes from the shipping port ship nearby (or barge) all expe

The seller to ship goods to a named port of shipment deliveries within the side of the ship or craft, and, when required for customs clearance, handle all customs formalities required for export goods, the buyer from the port side of the ship (or craft) and all costs and risks.

The seller to ship goods to a named port of shipment deliveries within the side of the ship or craft, and, when required for customs clearance, handle all customs formalities required for export goods, the buyer from the port side of the ship (or craft) and all costs and risks.