ledge economy where professional roles change rapidly and many college students are preparing for positions that may not even exist yet, the skill set needed is one that prepares them for change and continued learning.
出自-2013年12月阅读原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
（位于山崖边向外平伸的）岩架，岩脊
A ledge is a piece of rock on the side of a cliff or mountain, which is in the shape of a narrow shelf.
N-COUNT
窗台
A ledge is a narrow shelf along the bottom edge of a window.