求翻译：陶小姐已经预订了8月7号从青岛到拉各斯的船，请你确认货款余额并付清，我们将及时交货。是什么意思？

Tao Xiaojie has booked a boat from Qingdao to Lagos on August 7, please confirm that the balance of payment and payment, we will be delivered in time.