提示：点击例句中的单词，就可以看到词义解释

It generates money through advertising .

它通过广告来赚钱。

How does free advertising look ?

免费广告的形式怎样？

Advertising has already done so .

广告收益已现颓势。

Advertising makes up the rest .

其余部分是广告收入。

One way is with advertising .

一个办法是利用广告。