### 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 the reason why it's expensive to listen to it. Where is it expensive?
### Errors: There is a major error of incorrect translation does not accurately represent the correct translation at "it's expensive to listen to it". There is a major error of incorrect translation is missing content from the correct translation at "the canned ones are expensive". There is a major error of problems with grammar, other than orthography at "Where is it expensive?".

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