机器的生命周期和相关折旧成本，与机器运转的时间相关。
The life of a machine and related amortization costs, are related to the amount of time the machine was running.
既然时间在某种程度上象空间那样(从一维空间到四维空间都是在一起的)，一部运转的时间机器就应该象一架火箭那样急剧加速飞离而不是在一阵烟雾中消失。
Since time is kind of like space (the four dimensions go hand in hand), a working time machine would zoom off like a rocket rather than disappearing in a puff of smoke.
我们依据无数太阳的运转来测定时间；他们以他们口袋里的小小的机器来测定时间。
We measure time according to the movement of countless SUNS; and they measure time by little machines in their little pockets.
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