Structured directory can greatly speed up the reading of books for the people with disabilities.

结构化的目录信息能够大大提高残疾人阅读电子书籍的速度。

youdao

Structured directory can greatly speed up the reading of books for the people with disabilities.

结构化的目录信息能够大大提高残疾人阅读电子书籍的速度。

youdao