Before starting to learn Chinese, we need to learn pronunciation.
★What is "Bopomofo" Bopomofo is Mandarin Phonetic Sybols, also named Zhuyin. Bopomofo is only used in Taiwan. If you can read Bopomofo, it's easier live in Taiwan. ㄅㄆㄇㄈ --> This is Bopomofo.
★What is "Hanyu Pinyin" Hanyu Pinyin is the official romanization system for Standard Mandarin Chinese in China.
***mi_Y.