Although copper and stone tools continued to be used, bronze was far more successful in creating sharp edges that could be used as anything from saws and scythes to weapons.

尽管青铜器和石器还在继续被使用，但青铜在用于制造带有锋利边缘的物件方面要成功得多，这可以应用于从锯子、镰刀到武器等任何东西。

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Others lectured from cards that had served for years, to judge by the worn edges.

另一些人则通过已经使用多年的卡片来讲，通过磨损的边缘来判断。

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Certain "misplaced" volcanoes far from plate edges result from a second, independent mechanism that cools the deep interior of Earth.

某些远离板块边缘的“错位”火山是由另一种独立机制造成的，这种机制能够使地球内部深处的温度降低。

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Innovation, especially disruptive innovation, comes from the edges, from the fringes.

FORBES: Serendipitous Innovation

Lights might dim slowly from the edges or shapes will unexpectedly dart across the surface like comets.

CNN: San Francisco turns a bridge into art with 25,000 lights

The MTA focuses its effort on urging customers to stand back from platform edges and to report suspicious behavior to police.

WSJ: Subway-Push Prevention Solution Would Be Very Costly for the MTA