第二，IBM提供大量免费的信息和学习资料，帮助您学习知识和准备考试。
Second, IBM provides tons of free information and study materials to help you learn about and prepare for the tests.
同时，由于从CD - ROM和互联网上可获取大量的知识和信息，自学的费用已经降低。
Meanwhile, the cost of self-education has fallen with the multitude of sources of knowledge and information available on CD-ROMs and the Internet.
有大量的信息仅仅存留在人们的脑袋里：如数百万的人拥有有用的知识和信息，而同时，有数十亿甚至更多的人可以利用这些知识获取利益。
An enormous amount of information resides in people's heads: millions of people know useful things and billions more could benefit from that knowledge.
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