基本原因——分析某事物時, 用此句型說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 ....
[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 ....