基本原因
基本原因 --- 分析某事物时, 用此句型说明其基本的或者多方面的原因.
[1]. The answer to this problem invovles many factors. For one thing... For
another...... Still another ...
[2]. A number of factors , both physical and psychological affect ....
/both individual and social contribute to ....
发表于 2017-11-10 22:49:13