所有货物在运往边境前都必须完成预通关手续。

All goods must be ___pre-cleared before being shipped to the border.

这些旅客已经通过预先审核，可以直接登机。

These ___pre-cleared passengers can board the flight directly.

持预审通关信用卡的顾客可以享受快速结账服务。

Customers with ___pre-cleared credit cards can enjoy express checkout.