We can never be sure in an observational study of a casual relationship.
我们永远不能肯定是一个因果关系的观察研究。
There is very obvious casual relationship between firm decision behavior rationality and firm performance.
企业决策行为理性与企业绩效有很明显的因果关系。
Is the relationship casual, serious, or something in between?
你们的关系是随意的还是认真的，或是介于二者之间？
As if this is a nation whose most fundamental social relationship is casual acquaintance.
在这个国家，好象最基本的关系就是偶尔相识的人。
As if this is a nation whose most fundamental social relationship is casual acquaintance.
在这个国家，好象最基本的关系就是偶尔相识的人。
应用推荐