中國人常説五音不全，還好西方幫助補全多兩個音，現在中國才有七声音阶。😀

中國人常説五音不全，還好西方幫助補全多兩個音，現在中國才有七声音阶。😀

Chinese people often say that they are tone-deaf. Luckily, West helped out with the other two notes. Now China only has seven levels of musical scale