You can also turn labels on and off for the major and minor levels.(也可以在主要和次要級別打開和關閉標簽。)

This deformation happens when the vacuum pump is switched on and off.(這種變形在真空泵啟停時發生。)

It's been raining on and off all morning.(雨斷斷續續地下了一早上。)

I was still working on and off as a waitress to support myself.(我仍然有時做女招待來維持生活。)

Yields cannot be switched on and off like a tap.(產量變化并不是像開關燈一樣。)

Now we have a vending machine that we can turn on and off.(現在我們有了一臺可以開啟和關閉的自動售貨機。)

On a long train ride, people get on and off and settle for a while.(在長途火車旅途中，人們上上下下，在車上停留一段時間。)

You can turn tick marks on and off at the minor and micro level.(可以在微觀和宏觀級別打開和關閉刻度標記。)

If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one.(如果燈亮了又滅了好幾次，海豚就應該先按左手的杠桿，再按右手的杠桿。)

The rugby tour was a disaster both on and off the pitch.(這次橄欖球巡回賽在場上、場下都徹底失敗。)