social reason的用法和样例：
例句
- The imbalance of men and women arising from female infanticide was the social reason of remarriage.
由溺杀女婴造成的男女比例失调则为宋女再嫁的社会原因。 - There are various sets of reference terms in contemporary Chinese, which has social, historical and psychological reasons.
摘要汉语中有形式多样的称谓并用现象，这种现象的产生既有社会原因，也有历史的和心理的原因。
