like: nguyên cớ
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
nguyên cớ * ☊ 
cause, primary reason * ☊
[ nguyên ] : acting, holding a post temporarily; to be intact, unaltered, brand new, original; in full; all, whole, entire
[ cớ ] : cause, reason, ground, pretext
[ nguyên ] : original