它的成本是200美元，尽管你可能想花更多的钱——也许是再花200美元——来购买更多的镜头和其他设备。

It costs 200 dollars although you may well want to spend more—perhaps as much as another 200 dollars—on buying additional lenses and other equipment.

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购买的成本是非常，非常低的，而实际上，显微镜上的物镜，我们用来观看原子图像的非常强大的镜头， 也都从CD播放机拆下来的。

So this is very, very low-cost to buy, and actually, the objective lens in the microscope, the very powerful lens we use to image the atoms, is also from a CD player.

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当售票亭打开门卖票的时候，一名《长滩电讯日报》的摄影记者捕捉到了他购买第一张公园门票的镜头。

When the admission booth opened, a photographer for the Long Beach Press-Telegram captured him buying the first ticket.

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