Before you start learning, you should choose a textbook, script, dictionary or anything that you wish to be the source of your knowledge.
在开始学习之前，请准备好参考书，笔记，字典或者任何对你想学习的内容有帮助的资料。
2
Read a lot of teens, abundant accumulation of knowledge, like a computer dictionary, convenient to carry and use.
少年时代的大量阅读，知识的大量积累，犹如一本电脑字典，携带与运用都方便。
3
Machine learning and data mining techniques are applied to acquire knowledge and build a concept reasoning network based on semantic dictionary and large training set.