现在每一年他们都发现了成千上百个那样的世界。
当然,硬件在其中起到了推动作用,每一年它们都变得更廉价、体积更小、运行速度更快,以至于现在人们能够用游戏机组装出军用超级计算机来。
Hardware helped, of course, becoming cheaper, smaller and faster every year, such that military supercomputers can now be built from games consoles.
两年前我就有过这样的想法,但是现在当我再一次经历这些,我发现米兰每一年都更新了与我的合同。
It's true that two years ago I had certain ideas, but the other day when I was going over it again I saw that Milan had renewed my contract every year.
What is the present value of that? Well, the first-- each payment we'll call a coupon-- so it pays one pound one year from now.
那么它的现值又是多少呢,首先,每一次支付的数额称为一个券息,从现在开始每一年都要支付一英镑
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