It is aimed at developers who have an understanding of XML and wish to learn this lightweight, event-based API for working with XML data.

它专门针对以下开发人员：他们理解XML，并且希望学习这个用于处理XML数据的轻量级的、基于事件的API。

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Learn to tell a great story of how you grew up, an event that shaped your life, or even a vacation that took you to a new place.

你要能够生动地讲述你的成长经历、改变你人生的重大事件或者是一次到陌生城市的旅行。

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First, the ability to learn to recognize stimuli that predict the occurrence of an important event slows the learner to make the appropriate response faster and perhaps more effectively.

第一，学习识别刺激物的能力，这些刺激物会预测一些重要事件的发生，而这些重要事件能够减缓学习更快更有效者做出适当反应。

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You can learn more, find an event near you, and pledge to serve here, at the National Day of Service site.

CNN: Chelsea Clinton: We can make a difference