It's only one and a half hours flight from Queenstown to the Antarctic. The guide tells us it's a typical tourist city with only 16,000 fixed population.

Queenstown距离南极只需要一个半小时的航程，听导游讲，这是一座典型的旅游城市，固定人口只有1.6万。

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In fact, while the vast majority of neutral mutations die out, a few spread throughout a population and thus become \ \ \ \ \ \ \ "fixed \ \ \ \ \ \ \".

事实上，大部分中立变异都会被自然选择除灭，只有小部分在群体中传播并因此固定下来。

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Nature has decreed that the supply of water is fixed. Meanwhile demand rises inexorably as the world's population increases and enriches itself.

自然界规定了谁的储量是固定的，与此同时，伴随着世界人口的的急剧增加，水的需求量也就不可避免的迅猛增长。

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And competition between Google, Facebook, Yahoo, fixed and mobile operators to seize control of the data opportunities of a global and very large customer base in mobile (at least 4 times the size of the fixed line internet population) is impacting on other sectors.

FORBES: Why Competing Is Getting Harder (And What to do About It)

The banks got a fixed dollar amount that will be spread proportionately to everyone in population with no assessment of harm.

FORBES: GAO Blames Regulators For Faulty Foreclosure Reviews But That's Not The Whole Story

With a population of 1 billion, India has only 1.6 million Internet subscribers and fewer than 30 million fixed phone lines.

FORBES: Passage To India