How to complain about hotel charges?

Is it expensive to print ten sheets of paper 1 15? You can't just look at the numbers. Sometimes printing is really expensive, such as whether you need them to help you typeset when printing, how big the printed paper is, and so on. Now when you go out to print something, you can charge more than 20 yuan, depending on what you are printing. If you feel that the charges are unreasonable after comparing the market prices, you can complain. The complaint method is as follows:

1. If you book a hotel on a third-party platform, such as various travel software apps, you can call the platform company and negotiate a solution.

You can also complain to the local industrial and commercial bureau, and they will send people to the scene to negotiate and solve it.