The report expressed concern over continuing high unemployment.

　　報告表達了對失業(yè)率居高不下的憂慮。

　　Words cannot express how pleased I am.

　　言語無法表達我的愉快心情。

　　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(shù)字降序列出。