### 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, in order to promote their own products, do whatever it takes to hook up with doctors in the hospital, and they will assist in the promotion of the products, drawing profits ranging from 30 yuan to 80 yuan from the first listen.
### Errors: There is a major error of incorrect translation has stylistic problems at "hook up with". There is a major error of incorrect translation includes information not present in the correct translation at "the first listen". There is a minor error of wrong grammatical register (eg, inappropriately informal pronouns). internal inconsistency (not related to terminology) at "they will assist".

### 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.