How do natural variations such as the changing day length make such profound alterations to physiology and behaviour?

昼夜长短之类的自然变化是如何对野生动物产生如此深刻的生理变化及行为变化呢？

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"We were all able to celebrate and enjoy that life changing day together," she said.

她说道：“我们大家可以一同庆贺并享受这个改变生活的一天。”

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Bonus points if you can continuously deploy your code to a staging system where clients can view the unfinished project and see how it is changing day after day.

能给你额外加分的一个做法是，你能够持续地发布你的代码到一个阶段性发布系统，而这个系统能被你的客户用来查看未完成的项目，以及查看这项目是如何一天天地改变的。

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Later,a stagecoach could make the trip in thirteen to fourteen days by moving day and night and changing animals often.

VOA: special.2009.03.30

It will, but not in the sense of changing day-to-day life or politics.

ECONOMIST: The Balkans after Milosevic

"The price structures are changing every day because of intense demand of the materials, " said the minister.

BBC: 2010 World Cup costs skyrocket

But even David Gross, who coordinates information policy at the State Department, emphasized that any solution would have to be flexible, because the internet is changing every day.

NPR: Lawmakers Rip Web Firms for Cooperation in China