kuàilè yuánzé
Mandarin
Romanization
kuàilè
yuánzé
(
Zhuyin
ㄎㄨㄞˋ ㄌㄜˋ ㄩㄢˊ ㄗㄜˊ
)
Hanyu Pinyin
reading of
快樂原則
/
快乐原则