The little telescopes are amazing: if I stretch my arm out in front of me, the telescopes focus on one-quarter of one of my fingernails.

微型显微镜太厉害了：如果我在身前伸展胳膊，显微镜会聚焦到我一片手指甲上的一小块。

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The reality of startups is that there is so much opportunity out there that if you just focus on what is in front of you, your company will do fine.

事实上，对那些创业者来说，如果他们关注一下眼前就会发现，还有很多机会在等着他们，而公司也会重获成功。

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Everybody stands up! This means that your 200mm will get an out-of-focus view of the back of the shirt of the person in front of you, but little else.

这意味着你的200 mm将拍到你前面那人衬衫后背模糊的影像，或许还有一点点别的。

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