"We've tried to develop a single system that is easy to understand for foreigners who use Hanyu Pinyin, and can also be used to teach Mandarin, Taiwanese, and Hakka to elementary students."
余伯泉說，「這樣的用意，是希望既可以和國際多數人使用的漢語拼音輕鬆地轉換，又可以同時學母語。」