The grand mediocrity of today—everyone being the same in survival and number of offspring—means that natural selection has lost 80% of its power in upper-middle-class India compared to the tribes.

当今人与人在很大程度上的平等——即面对自然淘汰法则人人机会均等，并且连子嗣的数目都一样——意味着和在印度土著部落中的情况相比，印度中上层阶级中已丧失了80%的自然选择中的优势。

youdao

The grand mediocrity of today - everyone being the same in survival and number of offspring - means that natural selection has lost 80% of its power in upper middle class India compared to the tribes.

今天这种极其显著的平均化——每个人的生存机会和子女数量都相同——意味着，与部落相比较，自然选择在印度中上阶层已经失去了80%的效力。

youdao

The grand mediocrity of today everyone being the same in survival and number of offspring means that natural selection has lost 80% of its power in upper-middle-class India compared to the tribes.

今天这种极其显著的平均化——每个人的生存机会和子女数量都相同——意味着与部落相比较，自然选择在印度中上层已经失去了80%的作用。

youdao

The primary reason for emissions remaining on a downward trajectory this century is the increasing number of natural gas-fired power plants.

FORBES: New Emissions Data Dampen Global Warming Fears

In 2010, a small number of very large electric power generators accounted for roughly one third of all natural gas delivered to consumers.

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The third selling point: Hydrogen could, in principle, deliver energy independence to every nation because it can be derived using any number of sources-including oil, natural gas, nuclear fission, coal, hydroelectric power and wind.

FORBES: Companies, People, Ideas