Evolution chose the Fibonacci pattern to help trees track the sun moving in the sky and to collect the most sunlight even in the thickest forest.

生物进化选择了斐波那契布局帮助树木跟踪在天空中不断移动的太阳，让树木即使在最茂盛的森林中也能尽量多地收集阳光。

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Most linguists use changes in words or grammatical structures to try to track language evolution.

大部分语言学家通过单词或者语法结构的改变来追踪语言进化的过程。

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In recent years, the sea from the Luo creative landscapes, portraits and the recent European Tour's works, you can taste the track of the evolution of his watercolor art and we are so happy!

从罗宗海近年创作的风景画、人物画和最近欧游的作品，可以品味他水彩艺术演进的轨迹，我们为此高兴！

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Academic citations provide a simple way to track this evolution.

ECONOMIST: Free exchange

If nature always stuck to simple plans, it would be easier to track the paths of evolution, but nature does not have that luxury.

NEWYORKER: It Ain��t Necessarily So

Speaking for the industry, Stuart Ingis, general counsel for the Digital Advertising Alliance, said the decision to adopt do-not-track is an "evolution" of the industry's approach.

WSJ: Web Companies Agree to Support 'Do Not Track' System