Overall, I couldn't be happier with the process of buying glasses online.

总之，我对网上购镜的过程十分满意。

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The TV vendors have bombarded the world with the message that the next big step in television is 3DTV and that you can have it today by buying their new premium TVs and polarized glasses.

TV厂商们用“电视的下一个进化就是3D”这样的信息来轰炸全世界，同时告诉你现在就可以通过购买他们的高端电视和3D眼镜来享受这种进步。

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Glasses are no longer a scarce resource costing many hundreds of dollars, they can be as simple as buying a DVD or book online, and cost about the same.

眼镜已经不再是值得花费数百美元的稀缺资源了，它们可以网上购买，就像网上买dvd或书那样简单，而且价钱也差不多。

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That entailed investing staff time, buying new glasses and changing menus, executive general manager Ayman Kamel said.

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And just as purchasing a pair of Toms shoes means that the company will donate a pair to someone in the developing world, buying a pair of sunglasses will guarantee prescription glasses or medical care for those in developing countries.

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One company that is buying into the 3-D-with-glasses trend is Sony, which makes movies and TVs to work with the technology.

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