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Pinyin/Idea
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Pinyin#Pinyin tone marking
An idea is a plan, thought or suggestion, especially about what to do in a particular situation.
yihjiahn shih guanyur zeenyahng chuulii tehdihng qirngkuahng d jihhuah, xiaangfaa huoh jiahnyih.