Even though it's common, it's vital to keep in mind that in a single moment of fatigue, you can say something to your child that you may regret for a long time.

尽管这种情况很常见，但有必要牢记，在疲惫的时刻，你可能会对孩子说出一些你会后悔很久的话。

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Sometimes, children can't keep a single bit of information in their mind while they are doing something else.

有时候，儿童在做别的事情的时候，脑子里一点信息也记不住。

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A second later, the entire swarm veers west and away, as if steered by a single mind.

不一会儿，整群野鸭逐渐转向西方，飞走了，仿佛受到某种单一想法的控制。

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Bearing this in mind, the sudden interest in single-engine jets is an extraordinary development.

FORBES: Magazine Article

For those doubting Thomases who think the market is much too efficient to be affected by a few banks and funds selling options, it is worth bearing in mind that in the early 1990s one man single-handedly drove the implied volatility on Japan's Nikkei-225 average from 22% to 11% by dint of selling 34, 000 options on it.

ECONOMIST: Why is volatility so low in financial markets?

"It persists in the mind of networks that the cooler audience would prefer single-camera sitcoms, " he said.

CNN: Multi-camera sitcoms dominate in ratings