I found Bopomofo very helpful in studying Chinese in Taiwan 30 years ago. One of the advantages is that there are many books with bopomofo printed alongside the characters as part of the font. Thus when you read it, the pronunciation is always lined up with the characters. The PRC pinyin romanization printed above characters often doesn't line up exactly with the characters and so isn't as convenient to use when reading extensively.
I read many children's books and gradually worked my way up through junior high and high school level readers. The Mandarin Daily [Guoyu Ribao] publishes many children's books with characters and Bopomofo. Ihave forgotten and relearned Bopomofo several times! Relearning was worth it each time. Mandarin Daily website is at http://www.mdnkids.com/
Chengdu, Sichuan, China
posted by David Cowhig
March 23, 2009
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