“單”造句

侍者把他們點的餐端了過來，格雷厄姆簽了單。
The waiter returned with their order and Graham signed the bill.

為什么我們要為酒吧和賓館不必要的暖氣開支買單呢？
Why do we pay to overheat pubs and hotels?

在證券交易所，市場在大量買單的推動下有所上揚。
On the Stock Exchange, aggressive buying propped the market up.

• #單