唯一原因

唯一 weiˊ yiˉ

(Only, Sole) The only, Only, The sole, Sole

原因 yuanˊ yinˉ

(Cause, Causes, Factor, Factors, Reason, Reasons) Cause , Reason , Factor , Cause, Causes, A cause, The cause, The causes, Reason, Reasons, A reason, The reason, The reasons, Factor, Factors, A factor, The factor, The factors