例句：
Are you still single?
你還是單身嗎？
How much is the single fare to Glasgow?
去格拉斯哥的單程票多少錢？
When will the single currency be operable?
什麼時候實行單一貨幣？
The band releases its new single next week.
這支樂隊將於下週發行新的單曲唱片。
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