获得知识的来源有很多，其中包括书本、老师，以及实际经验，而每一种都有其优点。
Knowledge can be acquired from many sources. These include books, teachers and practical experience, and each has its own advantages.
结论与别人聊天、报刊杂志、电视、广播和宣传单是流动人口获得结核病防治知识的主要来源，不同性别人员获得知识的来源无明显差异。
Conclusion the main source of knowledge are chatting, newspapers and journals, televisions, radio and leaflets and the main approaches had no difference in different gender.
杰弗逊认为，一个自由的人获得知识的方法除了阅读书籍外，还有很多的来源，其中，个人调查是非常重要的。
Jefferson believed that a free man obtains knowledge from many sources besides books and that personal investigation is important.
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