你每在英语课上学一个新单词，每解决一个数学问题，每学会唱一首新歌，你大脑中的神经元网络就会生长，大脑就会发生变化。
For every new word you learn in your English lesson, every problem you solve in maths, every new song you learn to sing, a neuronal network grows in your brain and the brain changes.
然后，通过字典和网络找到更多使用该单词的例句，也把它们都记下来。
Then use your dictionary and the Internet to find more examples of that word in use and note those sentences down as well.
正是由于能够链接到网络广告，才使得这些广告如此的值钱，也使得欺诈行为如此有利可图，比如说，用户搜寻了一个特定的单词，这些广告就跳了出来。
The ability to aim such advertisements so that they pop up, for example, when a user searches for a particular word, is what makes them (ads) so valuable-and makes fraud so lucrative.
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