First let me back up a bit and talk about vision correction before the printing press.

让我先回顾下在印刷术之前的视力矫正是什么样的。

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Once the printing of unbacked money slows down or stops altogether, this stops the flow of real savings to various activities that emerged on the back of unbacked money.

一旦减缓或者停止印刷没有支撑的纸币，这将停止真实的储蓄流向由没有支撑的纸币引发的各种活动。

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Most processes can trace their roots back to the earliest form of 3-d printing: stereolithography.

大部分的程序都是来源于最早的3 - D打印机的模式：立体平版打印机。

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It's in response to what seems to have been an aesthetic reaction to the poem that the printer of Paradise Lost asked Milton, went back to Milton and asked him to append a note to the book's second printing -- to append a note that explains why the poem rhymes not.

这是弥尔顿对《失乐园》的出版商的答复,出版商问弥尔顿关于此诗的美学问题，他找到弥尔顿，让他给此诗的第二次印刷附一个,注解--附个注解解释这诗为什么不押韵。

耶鲁公开课 - 弥尔顿课程节选

The FTSE 100 has been reaching fresh highs on the back of money-printing measures by central banks, including the Bank of England, which have cut the price of government debt and sent equities rocketing.

BBC: News - London shares reach 12-year high

Now that it's out, the money-printing genie cannot be put back in the bottle even if the result may be to consign economies to further years of stagnation, rising debt burdens, fewer opportunities for young people and ultimately the risk of rising inflation and global currency instability.

WSJ: Central Bankers' Change

And then VJ paints a picture of a whole back-end, cloud-based system that supports his vision of the coming role imaging and printing will play.

FORBES: The Beating Heart of Hewlett-Packard Makes A Case For Relevance