### Chinese: 现在我跟大家先说一下听装贵的原因，贵在哪里？
### English: Now I'll talk to you first about the reason for listening to the expensive, expensive where?
### Errors: There is a major error of incorrect translation does not accurately represent the correct translation at "expensive, expensive". There is a major error of incorrect translation includes information not present in the correct translation at "where?". There is a major error of incorrect translation has stylistic problems at "talk to you". There is a major error of incorrect translation is missing content from the correct translation at "Now I'll talk to you first about the reason for listening to the expensive". There is a major error of wrong grammatical register (eg, inappropriately informal pronouns). internal inconsistency (not related to terminology) at "I'll".

### Improved English: Now I will introduce why the canned ones are expensive.