### 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 are available directly from the publisher, and a formal electronic invoice is issued. If you have any questions, please feel free to contact online customer service!
### Errors: There is a minor error of incorrect translation is missing content from the correct translation at "Missing official before electronic invoice".

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