Printing with a moveable type on paper dramatically reduced the cost of producing a book compared with the old-fashioned ones handwritten on vellum, which comes from sheepskin.

羊皮纸是用羊皮制作的，与在羊皮纸上手写的传统方法相比，在纸上进行活字印刷大大降低了生产书籍的成本。

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Printing with moveable type on paper dramatically reduced the cost of producing a book compared with the old-fashioned ones handwritten on vellum, which comes from sheepskin.

羊皮纸是用羊皮制作的，与在羊皮纸上手写的老式方法相比，在纸上进行活字印刷大大降低了生产书籍的成本。

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Under these conditions, the lobsters developed asymmetric claws, half with crusher claws on the left, and half with crusher claws on the right.

在这种条件下，龙虾发育出了不对称的爪子，左右一半各是破碎的爪子。

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So a tiny bit of the outside is melted and is left with this really thin glass on the outside."

VOA: special.2010.07.28

Again they've just done that experiment and seen the effects of that on the point measurement with the whole pro.

通过实验,他们便能看到其效果,通过在整个过程中,对点的测量。

麻省理工公开课 - 媒体、教育、市场课程节选

A lot of the stuff that goes on with the company is really organic right now and isn't necessarily formalized.

公司的很多机制都是有机的,并不是很正式。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选