New translations into Chinese:
使用语言属性设置样式 (Styling using language attributes)
https://www.w3.org/International/questions/qa-css-lang.zh-hans.html
哪些人在使用Unicode？ (Who uses Unicode?)
https://www.w3.org/International/questions/qa-who-uses-unicode.zh-hans.html
Thanks to Fuqiao Xue for providing this translation.