The gap between the two top teams is closing all the time.

　　兩支頂尖隊的差距一直在縮小。

　　So when is the closing date for the competition?

　　所以比賽哪一天結(jié)束？

　　The cause of the opening and closing is probably the difference in light.

　　開啟和關(guān)閉的原因可能是光線的不同。

　　He was in the pub until closing time.

　　他在酒館里待到打烊。

　　We were in the bar until closing time.

　　我們在在酒吧里待到了最后打樣。