This raises a fascinating layer of complexity to micro-change efforts.

这又给“微变革”努力（micro-change efforts）带来了另一个层面的复杂性：要怎样去衡量Social Actions在促进变革方面的有效性呢？

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As much of the world tackles climate change at a theoretical level, Australians experience it at a micro level.

世界上大部分对抗气候改变还处于理论水平，而澳大利亚的经验处于微观水平。

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It is the biggest change since its creation three years ago for the micro-blogging site, which will place ads at the top of search results for some topics, such as films or sport.

这是该微博网站创立3年以来最大的改变，将在电影或体育等主题的搜索结果上方出现广告。

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There was little change in micro-organisms present in the mice who had had sham operations, even though the group on the low-calorie diet lost just as much weight as the mice who had had the bypass surgery.

BBC: Bacteria find 'key to treating obesity without surgery'

Grupo MeXvi, a leading provider in Mexico of integral solutions for self-construction of low-income homes in rural and semi-urban settings, and FOMEPADE a microfinance institution pioneering micro-mortgagees, are doing their best to change that, starting with millions of Mexicans.

FORBES: MeXvi: Enabling Families To Have A Home

The top houses only the headphone jack, a drastic change from the original Droid RAZR which also found room there for the HDMI and micro-USB ports.

ENGADGET: Droid RAZR HD and RAZR MAXX HD review Mobile