### Chinese: 或者又问：听装与袋装的价格为什么差价这么大呢？
### English: Or ask: Why is the price difference between listening and bagging so large?
### Errors: There is a major error at "ask". There is a major error at "listening and bagging".

### Improved English: Or you may ask: why are the prices of bagged and canned milk powder so different?