### 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 <v>tin</v> and bag so big?
### Errors: There is a major accuracy/mistranslation error at "tin" within <v></v>.

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