"I am considering buying software (license). I read the introduction of the official website, but still did not understand. I hope to have a detailed explanation in Chinese."
Try the Contact Us page and call your Chinese rep: https://www.mathworks.com/company/aboutus/contact_us.html#CN
Beijing
Floor 16, Radiance Jin Hui Building
Tower 6 Section 4, Wang Jing Dong Yuan
Chaoyang District
100102 Beijing P.R. China
Shanghai
Room 1702, 17/F LJZ Fund Mansion
101 Zhu Lin Road, Pudong
Shanghai, China 200122