Apart from generating new Bitcoins, this distributed verification system also ensures that people can't double-spend their Bitcoins.

除了创造新的比特币以外，这一分散化的验证系统也避免了人们重复使用同一比特币。

youdao

Next year, I might even double the amount of time I spend fasting.

明年，我甚至可能把我禁食的时间增加一倍。

youdao

Then you spend double the amount of time trying to fix it to look tolerable in IE6 and IE7, cursing loudly the entire time.

这时，你又要花费成倍的时间来修改，让网页在IE6和IE7中看起来还能忍受，咒骂所浪费的时间。

youdao

The challenge is building as much influence as possible over what people are saying about you, a concern that has U.S. companies now putting a third of their online budgets into their own sites, double what they spend on search-engine marketing, says ad-spending research group Outsell.

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However, advances have been made in the use of green addressing techniques that solve the confirmation delay problem by utilizing special-purpose bitcoin addresses from parties trusted not to double spend.

FORBES: Bitcoin Obliterates 'The State Theory Of Money'

If they then spend some of that drive time at the drive-though window, that's a double whammy.

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