「病因」

(pos:名詞)
<explanation>
yue:#致病 嘅#原因（量詞：個）
eng:cause of a disease; etiology
<eg>
yue:自閉症嘅病因依然未有確切嘅答案。 (zi6 bai3 zing3 ge3 beng6 jan1 ji1 jin4 mei6 jau5 kok3 cit3 ge3 daap3 on3.)
eng:There is still not a definite answer for the causes of autism.