I'd like to send this express, please.
勞駕，我要寄快遞。
You have to pay a high premium for express delivery.
快遞須付高額的附加費。
The results are expressed in descending numerical order.
結果按數字降序列出。
Customers with ten items or less can use the express lane.
購買十件商品以內的顧客可使用快速購物通道。
I would like to express my gratitude to everyone for their hard work.
我要對所有辛勤勞動的人表示感謝。