帮忙翻译一下这段话，是论文的摘要，谢谢！

Abstract: Our country ancient times play's result mostly was the happy ending type, the comedy ending many are the moral excellence dispels the poor custom, the feeling emotion person to become the family member finally, the tragedy needs to give the positive character in the ending to take revenge or fair. Forms this kind of pattern the reason mainly to have four points: first, the happy ending result is the national common culture mental structure performance, second happy ending result and creator's creation psychology is closely related, third happy ending result was the ancient times Chinese people to the survival happy hope, fourth tragedy's nature and the West were different, cause the result to favor the reunion. After analyzing these reasons, in view of the fact that our country ancient times play's actual situation, should think that the happy ending result was the reasonable existence, should not approve or the opposition arbitrary.
key word: China