The history of breaststroke dates back to the Stone Age.

蛙泳的历史追溯到石器时代。

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My heart is racing and for a long liquor-addled moment I think Holy shit, I've gone all theway back to the Stone Age until Irealize that EXIT signs tend to congregate in the twentieth century.

我的心砰砰直跳，由于酒劲，我的脑中混乱了很长时间，心想，我的天哪，我一定是回到了石器时代，然后才慢慢意识到出口标志不是20世纪才多起来的么。

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Tying back to another statement from his "stone age" blog, Martin posits himself the question of "Should TDD be used for every line of code?". Again, the answer is "no"

针对他的有关“石器时代”的博文，Martin探讨了“TDD是否应该应用于每一行代码？”

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Swat has been brought back to the Stone Age.

BBC: 'Everything destroyed' in Swat valley

Contrary to images of "going back to the Stone Age, " this form of energy efficiency actually increases the levels of illumination (and thus literacy), while trimming greenhouse gas emissions, indoor air pollution and energy bills that mire the poor in poverty.

FORBES: Magazine Article

"Seriously, I hope that you're not disappointed that there won't be a big coming-out speech tonight because I already did my coming out about a thousand years ago back in the Stone Age, very quaint days when a fragile young girl would open up to trusted friends and family, co-workers and then gradually, proudly to everyone who knew her, to everyone she actually met, " she continued.

CNN: Can celebs have the privacy Jodie Foster calls for?