### Chinese: 现在我跟大家先说一下听装贵的原因，贵在哪里？
### English: Now let me tell you first about the reason why the cans are expensive. Where is the expensive?
### Errors: There is a major error of incorrect translation has stylistic problems at "Now let me tell you first about the reason". There is a major error of incorrect translation includes information not present in the correct translation at "Where is the expensive?". There is a major error of incorrect translation is missing content from the correct translation at "the canned ones". There is a major error of wrong grammatical register (eg, inappropriately informal pronouns). internal inconsistency (not related to terminology) at "let me tell you".

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