Men have a biological clock too.

男人同样有生物钟。

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Every living thing has what scientists call a biological clock that controls behavior.

每一种生物都有控制自己行为的时钟，科学家们称之为生物钟。

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Insects possess a biological clock that programmes the insect's growth, reproduction and dormant periods.

昆虫具有一种生物钟，它会按照遗传密码控制昆虫的生长、繁殖和休眠期。

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Lead researcher Professor Dolores Malaspina, of the Columbia University College of Physicians and Surgeons, said her findings showed "a man has a biological clock too".

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Darren Spedale, 38, the website's founder, says he started the company in 2012 after realizing his own biological clock was ticking but he didn't have someone with whom to raise a child.

WSJ: Tech's Over-Sharing Economy

Darren Spedale, 38, the website's founder, says he started the company this year after realizing his own biological clock was ticking but he didn't have someone with whom to raise a child.

WSJ: Tech's Over-Sharing Economy