### Chinese: 所以他们在听装的定价上，有了一个很大的上升幅度来保障他们的利润空间。
### English: So they have a big increase in the pricing of <v>listening equipment</v> to protect their profit margins.
### Errors: There is a major accuracy/mistranslation error at "listening equipment" within <v></v>.

### Improved English: Therefore, in the price setting of the canned ones, they set it much higher to guarantee their profits.
