### Chinese: 答：国产的是替代产品，非原厂在中国生产的产品，只是国内都沿用该说法。
### English: Answer: Domestically produced products are substitute products. Products that are not made by original factories in China are only used domestically.
### Errors: There is a major error at "Domestically produced". There is a major error at "e". There is a major error at "Products that are not made". There is a major error at "are only used domestically".

### Improved English: Answer: The domestic-made ones are substitute products, not products made in the original factory in China; it’s just that it is described as that in our country.