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Pinyin/Law
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Pinyin#Pinyin tone marking
Law is the whole system of rules that everyone in a country or society must obey.
faalvh shih guorjia huoh shehhuih meeigehrern bihxu zunshoou d zheenggeh guizer xihtoong.