People often talk of goldfish having three-second memories, but in fact they can learn all kinds of things, and remember them for quite a long time.

人们常说金鱼的记忆只有三秒钟，但实际上它们能学会各种各样的东西，而且能记住很长时间。

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In general, this type of thing could be an interesting development for IT professionals, administrators, and programmers, who are often "chained to the desk" for long periods at a time.

总的来说，这一类的东西对于IT专业人士、管理员和程序员这些经常“被栓在办公桌旁”的人来说是件有趣的玩意儿。

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When someone you know comes to visit unexpectedly and inconveniently, often staying for a long time, and you can't tell them to leave without being rude.

你所认识的某人突然来找你，通常都要待上很长时间，虽然造成你的不方便，但是也不愿意显得无理请他离开。

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Often the mother had to be treated in a hospital for long periods of time.

VOA: special.2009.12.06

But I feel the same thing often when my son brings his friends, maybe that I've known for a long time.

但我也感觉得到,尤其是我儿子带朋友回来时，也许我早认识了。

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The conversation would continue, often for a very long time.

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He said properties left empty for a long time often attracted "vandalism and fly tipping and drag down the value of the properties all around them".

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Often sitting in a studio in the dark for long stretches of time, they exchange personal stories and jokes to pass the time, and as a consequence, learn a great deal about each other in a short amount of time.

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