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。
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。
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。
In his card portfolio, Villarosa claims that his average spend per card is almost double the industry average, surely attributable to the Diners factor.
在信用卡组合中，维拉罗萨称，由于大来俱乐部的缘故，他们每张卡的平均消费率几乎是行业平均水平的两倍。
But women spend nearly double the amount of time on domestic chores than men.
但是，女人们花在家务琐事上的时间几乎是男人的两倍。
Even in Washington DC there has been an outcry over calls for prices to double over the next five years to help the city raise money to spend on its 76-year-old network of leaking lead pipes.
甚至在华盛顿特区当有要求想把未来五年的水价提高一倍以便帮助这个城市来筹款去维护她那个用了76年的已经到处渗漏的总管网络时，出现了公开反对的响音。
That gives them a double-edged competitive advantage; everyone else has to spend extra time and money supporting that format, and no one else's support will ever be as good.
这样将使它们具备双重竞争优势；所有人都必须花费额外的时间和金钱支持这种格式，并且任何人的支持都不会是最好的。
If, on the other hand, you cut debugging time to deliver the software more quickly, you will almost always double the amount of post-production time you spend fixing problems that come to light later.
另一方面，如果为了更快地推出软件而缩短调试时间，那么在软件生成后，您将花上双份的时间来修复那些稍后暴露出的问题。
Second, a hashcash client may, and probably should, implement a double spend database.
其次，hashcash客户机可能（并且多半应该）实现一个double spend 数据库。
Cut the number of clothes you buy in half. And double what you spend on each item.
这样做吧，把你要买的衣服数量减半，然后每件衣服花双倍的价格。
You can split scores of colorful double stars and spend years following the fadings and brightenings of variable stars.
你可以分解那些五颜六色的双星并且可以花费数年的时间来追踪变星的亮度变化。
You'll get double the training, and the time you spend exercising will seem to fly by!
你不仅可以收获锻炼的效果，锻炼的时光也会飞逝而过！
But the poor suffer a double whammy because they also spend a larger proportion of their income on food than those in richer countries.
但是贫困人口受到的影响是双重的，因为他们比较发达国家的人们花费收入中更大的份额来购买食物。
People nowadays also begin to spend the Double-Ninth Festival as the Seniors' day.
如今，人们又把重阳节当做“老人节”、“敬老节”。
You can double up on as many days as you want. Just spend at least two weeks at each stage before adding more miles.
你可以随心所欲地增加你倍加训练的天数，但在增加里程前，每一阶段至少要保持两周的时间。
The Asian visitors are expected to spend? 165million in London this year - a figure likely to double by 2013.
这批来自亚洲的游客估计今年将会在伦敦花掉1.65亿英镑，到了2013年这一数字可能还会翻倍。
How did you spend this valentine's day? Being single or double?
你情人节怎么过？是一个人还是两个人？
Now prices are soaring, what you spend today possibly is the double of yesterdays.
现在物价飞速上涨，今天餐桌上两菜一汤所花的钱，或许就比昨天多。
Now prices are soaring, what you spend today possibly is the double of yesterdays.
现在物价飞速上涨，今天餐桌上两菜一汤所花的钱，或许就比昨天多。
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