### Chinese: 正版书籍，出版社直供，开具正规的电子发票，有问题随时联系在线客服！
### English: Genuine books, direct supply by publishing house, issue formal electronic invoices, and contact online customer service at any time if you have any questions!
### Errors: There is a minor error at "uine". There is a minor error at "direct supply". There is a minor error at "issue formal". There is a minor error at "ces".

### Improved English: Authentic books directly provided by publishing house, official electronic invoice available, please contact online customer service if you have any question!