Back in the dark ages of computing, in about 1980, they started a software company.

早在计算机尚未普及的时代（约1980年），他们就创办了软件公司。

《牛津词典》

If Mr. Hatoyama isn't careful, Japan will find itself back in the dark old days.

同志社大学的哈马教授说，“如果鸠山不小心谨慎，日本会发现自己又回到了之前的旧时代。”

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The sun was setting quickly and I was worried about finding my way back in the dark, so I decided to head home.

太阳已经转到了西边，马上就要落下去了，我恐怕天黑后找不到路所以决定赶紧回去。

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With current disclosure requirements, we might already have known about this but, back in the dark ages of 2002, no one had any idea that this was going on.

FORBES: Why Should We Care About Corporate Interlocks?

So the question is more about can Kodak reinvent home printing like it did for democratizing photography, or is it to be left back in the dark room of B2B commercial printing?

FORBES: Kodak: RIP'd From Its Roots Or Back To Them?

My daughters and I managed to rouse ourselves one afternoon after skiing at Moonlight Basin to go to the spa and one night to take a Sno-Cat ride two miles into the back country in the dark for an excellent dinner (tenderloin and mashed potatoes followed by chocolate fondue) in a big, heated yurt, courtesy of Moonlight Dinners.

CNN: Taking the kids: On an old-fashioned Montana ski trip