Értóng dúwù shàng de hànzì yìbān dōu yǒu pīnyīn zhùyīn.
The characters in children's books usually come with pinyin.
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culture
Bopomofo, in full 注音符号, is a set of 37 phonetic symbols named after its first four, bo po mo fo. It was devised in the 1910s. Since 1958 the mainland has used 汉语拼音 instead, while in Taiwan children still learn 注音 before characters.
