### 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: Also, <v>you think</v> that so many manufacturers spend tens of millions or even hundreds of millions of advertising dollars every year. Where does this cost come from?
### Errors: There is a major accuracy/mistranslation error at "you think" within <v></v>.

### 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.
