### Chinese: 还有你想那么多的厂家每年的广告费都要几千万甚至是几个亿，这个费用何来？
### English: In addition, the advertising expense for each year is generally dozens of million yuan or even hundreds of million yuan, then where do they get the money?

### Improved English: Just think about where the tens of millions or even hundreds of millions yuan advertising fee of the manufacturers come from every year.
