让我先回顾下在印刷术之前的视力矫正是什么样的。
First let me back up a bit and talk about vision correction before the printing press.
但是书就不一样了…印刷和装订一本书很便宜。
毫不夸张地说，自从印刷术以来，还没有哪种媒体技术像万维网一样如此广泛的改变了人们的思想，工作以及娱乐方式。
It is no exaggeration to say that not since the invention of the printing press has a new media technology altered the way people think, work and play quite so extensively.
它有带编号的书页，目录，照片还有图片，跟一本印刷书没什么两样。
It can have numbered pages, table of contents, pictures and graphics, exactly like a printed book.
比如一些3D印刷机在印刷台铺撒金属粉末之后，采用露光模板以外的激光或电子束方式进行热凝处理来产生样模。
Some 3D printers spread metal powders on the print table and sinter the pattern with lasers or electron beams, rather than using masks.
同轴微小高分子的聚合链已经实现。 这项技术可以作为一种微型的“吊装设施”，由它来“组装”更微型的材料，用于制造诸如超小电子设备以及像纸一样薄的可以用印刷技术生产的太阳能电池等新一代产品。
The strands, she realized, could serve as minuscule cranes to arrange even smaller building materials and manufacture things like ultrasmall electronic devices and paper-thin, printable solar cells.
如果印刷纸质书不花钱——这一点我不相信，那么纸质书与电子书应该是一样的价格。
If it costs them nothing to print the paper book, which I can't believe, then they should be the same price.
我翻阅着自己喜欢的报纸杂志，其影像如同印刷的效果一样清晰，无需抓狂地等待每个页面下载。
I flip through my favorite papers and magazines, the images as crisp as in print, without a maddening wait for each page to load.
就读者体验来讲，在线阅读和文本印刷阅读是不一样的。
Online reading is an experience that's different from reading text in print.
就读者体验来讲，在线阅读和文本印刷阅读是不一样的 。
Online reading is an experience that’s different from reading text in print.
例如，艺术史期刊，因为印刷成本，其出版起来非常地贵，这些期刊的订阅价格也很贵，其他一些学科的年鉴也是一样。
Art history periodicals, for example, are extremely expensive to publish because of the reproduction costs, and subscriptions pay for those as well as some of the discipline's annual gatherings.
新媒介引发的最重要的问题是它会给图书出版总数（不是电子图书就是印刷图书）带来什么样的影响。
The most important question raised by the new medium is what impact it will have on the total number of books (whether ebooks or printed books) published.
大多数免费字典网站同其印刷版一样，包含的同样都是各种定义，而缺乏例句。
Most free dictionary sites contain the same crammed definitions and lack of example sentences as their print Cousins.
医生们一致认为，看电脑屏幕跟看印刷材料不一样。
Doctors agree that looking at an electronic screen is different from looking at printed material.
许多公司正把这两方面的工作人员安排在一起工作，这么一来，印刷版报纸的写手同时也在提供网上内容，反过来也一样。
Many companies are putting print journalists in the same room as those who work online, so that print writers are working for the website and vice versa.
试想，互联网正在像印刷术一样变革我们的通信环境。
Imagine that the net represents a similar kind of transformation in our communications environment to that wrought by printing.
写一篇关于Kindle的文章就像给印刷、网络和手机设备结合体写作一样。最佳的可用性意味针对不同平台的特殊性有最优的内容设计。
Writing for Kindle is like writing for print, the Web, and mobile devices combined; optimal usability means optimizing content for each platform's special characteristics.
这本联机丛书与收费的印刷版基本上一样，作者Keir Thomas写作了许多关于Linux的书。
The online book is mostly identical to the fee-based print version, and the author, Keir Thomas, has written a number of books on Linux.
出版商们对此尤为惊恐，因为数字图书的利润空间已经跟印刷版的一样小了，虽说电子书不需要印刷也不需要运送到零售商那里，但是投资银行Credit Suisse估计，这一部分费用只占印刷版书籍零售价的十分之一。
This is particularly alarming for publishers because digital margins are almost as slender as print ones. True, e-books do not need to be printed and shipped to retailers.
我学到了sanserif和serif字体，我学会了怎么样在不同的字母组合之中改变空白间距，还有怎么样才能作出最棒的印刷式样。
I learned about serif and SAN serif typefaces, about varying the amount of space between different letter combinations, about what makes great typography great.
我学到了sanserif 和serif字体,我学会了怎么样在不同的字母组合之中改变空白间距,还有怎么样才能作出最棒的印刷式样。
I learned about serifand san serif typefaces, about varying the amount of space betweendifferent letter combinations, about what makes great typographygreat.
当然，书籍会继承存在——但是对那些今天印刷出来的书而言，单纯为了销售它们而存在的商店将会变得和如今的唱片商店一样稀少。
Sure, there may be books -- but for those born today, stores that exist solely to sell them will be as numerous as record stores are now.
当然，书籍会继续存在在——但是对那些今天印刷出来的书而言，单纯为了销售它们而存在的商店将会变得和如今的唱片商店一样稀少。
Sure, there may be books — but for those born today, stores that exist solely to sell them will be as numerous as record stores are now.
自印刷广告出现以来，药物广告已经与食品、酒类广告一样盛行。
Since the emergence of print advertising pharmaceutical advertising has been always popular along with ads of food and alcohol.
直到今天，世界上所生产出来的晶体管数量和现今集合了所有在报纸、书本、杂志、计算机、以及复印机上所印刷出来的字数一样地多。
Today the world produces about as many transistors as it does printed characters in all the newspapers, books, magazines and computer and electronic-copier pages combined.
听起来和现代印刷技术很不一样。
正像快餐是不能取代传统食物一样，印刷书也不会被电子书所取代。
Just as fast food will not take the place of traditional food, nor will printed books be replaced by electronic books.
印刷时通过刮板的挤压，使油墨通过图文部分的网孔转移到承印物上，形成与原稿一样的图文。
Printing by scraper squeezed the ink through the mesh of the graphic part of the transfer to the substrate to form the original illustrations.
印刷时通过刮板的挤压，使油墨通过图文部分的网孔转移到承印物上，形成与原稿一样的图文。
Printing by scraper squeezed the ink through the mesh of the graphic part of the transfer to the substrate to form the original illustrations.
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