Ten is double five.

十是五的二倍。

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At its peak in 2007 it was worth some $65 billion, reckons Clare McAndrew, founder of Arts Economics, a research firm—double the figure five years earlier.

Arts Economics 研究公司的创始人克莱尔·麦克安德鲁估算，在2007年的巅峰期，它的价值约为650亿美元，是五年前的两倍。

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Coal output per miner in Tribnia is double what it was five years ago, even though no new mines have opened.

尽管没有新煤矿投产，但 Tribnia 每个矿工的煤炭产量是五年前的两倍。

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It predicts counterfeit sales will reach seventy-five billion dollars worldwide this year nearly double the level of two thousand five.

VOA: special.2010.02.22

Three plus five. I can take something to a power, double star, just take three to the fifth power.

+5，我也可以,求一个数的次方，例如求3的5次方。

麻省理工公开课 - 计算机科学及编程导论课程节选

The bill was passed, and within five months after the bill was passed, we had double digit unemployment for the first time.

法案顺利通过，法案通过后五个月，失业率就达到了两位数,是史上第一次。

斯坦福公开课 - 经济学课程节选

By the Rule of 72, your stocks will double five times in 30 years with 12% returns.

FORBES: Unleash The Entrepreneurs

The Leamington Spa ace won the opening set 3-1 and the players shared the next four legs before Gulliver hit double five to seal victory.

BBC: SPORT | Other Sport | World Darts 2004 | Fordham stuns Barneveld

The Dane had been three clear after grabbing birdies at five of his first six holes, but four-putted the eighth from 40 feet for a double bogey five.

BBC: SPORT | Golf | Fasth snatches tense Spanish Open