_Pīnyīn_ lets us focus on the *sound* of Mandarin speech (and singing!).
_Pīnyīn_ lets us focus on the *sound* of Mandarin speech (and singing!).
_Chinese Braille_ is based on _Pīnyīn_—they both represent the sounds of Mandarin.
Since _Chinese Braille_ is obviously a writing system, so is _Pīnyīn_.
_Chinese Braille_ is based on _Pīnyīn_—they both represent the sounds of Mandarin.
Since _Chinese Braille_ is obviously a writing system, so is _Pīnyīn_.