Event objects are left in the global window object.

事件对象留在全局的window对象中。

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When the browser calls them, the this variable points at the global window object.

当浏览器调用它们时，this变量指向全局的window对象。

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Countries that miss this demographic window will find themselves lagging increasingly further behind in the global economy.

丧失这个人口视窗的国家将会发现他们在全球经济中日趋落后。

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Container traffic provides a window on trade patterns and the state of the global economy because it is the most closely tied to consumer demand.

FORBES