The stop/start-enginenotifications could switch the engine off and on automatically, or they couldtrigger alerts to the driver to turn it off/on manually.

这种引擎开/关通知可以自动地在开启与关闭之间切换，或者该系统也可以给司机发送“戒备信号”让司机自己动手开启或关闭汽车引擎。

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On | off - Turn column specifications for a specific column on or off.

ON | OFF -为一个指定的列打开或关闭列规范。

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Spurs substitutions: Kranjcar off, Pavlyuchenko on. Livermore off, Huddlestone on.

热刺换人：帕夫柳琴科换下克拉尼察尔，赫德斯通上，利弗莫尔下。

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Bob Doughty and Faith Lapidus tell about some of the winning American athletes on and off the ice and snow.

VOA: special.2010.02.26

We can actually see spatially all the details in the field animated as you turn the current on and off.

我们能看到,所有细节的空间动画分布,就在你打开电流和切断的时候。

麻省理工公开课 - 媒体、教育、市场课程节选

It all sort of depends on how you hit it off with somebody, whether there's a spark.

这要看你是不是跟那个人合得来，能不能擦出火花。

跟校友们的关系 - SpeakingMax英语口语达人

"I have been working on this off and on for close on 50 years, " he told BBC News.

BBC: Liquid air 'offers energy storage hope'

But Labour, who tabled an opposition day debate on the proposed sell off on 2 February, called on the minister to "stop and think again" about pushing ahead with the plans.

BBC: Government urged to rethink forest sell off plan

It was a bad day all round for West Ham's forward line as Carlos Tevez went off injured early on and his replacement Zamora was extremely unfortunate to be sent off on 76 minutes after a sliding challenge.

BBC: Benayoun was in inspired form for West Ham