zh-Latn ( "dào shān xué hǎi" ) is Chinese phonetic alphabets,Chinese Pinyin
"It is used to teach Standard Chinese, normally written with Chinese characters, to students already familiar with the Latin alphabet."
Only for learning Chinese.
Example1:
"dào shān xué hǎi"
Chinese(Simplified):刀山血海
Chinese(Traditional):刀山血海
Example2:
zhōng huá rén mín gòng hé guó
Chinese(Simplified):中华人民共和国
Chinese(Traditional):中華人民共和國
Example3:
My name:guài kā hěn guài
Chinese(Simplified):怪咖很怪
Chinese(Traditional):怪咖很怪