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- According to the theory of optimal currency areas, a central fiscal policy is necessary because a single interest rate will not suit conditions in all parts of a currency zone. 根据最优货币区域理论，确立一个中央财政政策很有必要，因为单一利率并不适于货币区域内所有地区的情况。
- Despite all the big names at welterweight, surprisingly I only see one single interesting matchup for Antonio Margarito, and of course it's with the last man to beat him, Paul Williams. 嗨，杜吉，虽然次中量级高手云集，但我最想看到谁和马加里托过招呢？有趣的是;我只想看到保罗.;威廉姆斯和他打一场，威廉姆斯可是最近一个赢过他的人啊！
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- He got over the stream with a single leap. 他一跃就跳过了小溪。
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- Do you want a single or a return ticket? 你要单程票还是往返票?
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- I have had to work for every single penny I earned. 我挣的每一便士都是辛苦工作得来的。
- The huntsman fired a single shot at the lion and settled its hash. 猎人朝那只狮子开了一枪，把它打死了。
- Five twenties and ten single, please. 请给我5张20元的和10张1元的。
- She wore a single orchid on her evening dress. 她在晚礼服上缀着一朵兰花。
- Up to yesterday, I thought he was single. 直到昨天，我一直以为他是独身。
- Can you let me have a room with two single bed? 可以给我一间两张单人床的房间吗？
- One of four offspring born in a single birth. 四胞胎之一一胎出生的四个孩子中的一个
- For strong sewing use double, not single thread. 为了缝得牢，用双线，而不要用单线。
- A single grain of a cereal plant. 谷粒禾谷类作物的一个颗粒
- A single room with a bath, if possible. 如果可能，要一间带浴室的单人房。
- Do you want a single room or a double room? 您要单人房还是双人房？
- Producing two offspring in a single birth. 一产双胎的一次生产中生下两个子女
