### Chinese: 还有一部分品牌，为了推广自己的产品，不择手段，跟医院的医生挂钩，由他们协助产品的推广，从一听里面抽成30元到80元不等的利润。
### English: There are also some brands that use all possible means to promote their own products. They are linked with the doctors in hospitals. They will assist in promoting the product and take a profit ranging from RMB30 to RMB80.
### Errors: There is a major error of incorrect translation is missing content from the correct translation at "They are linked with the doctors in hospitals.". There is a major error of incorrect translation has stylistic problems at "They will assist in promoting the product". There is a minor error of incorrect translation includes information not present in the correct translation at "RMB30 to RMB80".

### Improved English: There are also some brands that, in order to promote their products, cooperate with doctors in the hospital by all means, and ask them to assist in the promotion of products, drawing profits ranging from 30 yuan to 80 yuan from one can.