His research is for the betterment of mankind.
他的研究是为了人类生活的改善。
We are working for the betterment of society.
我们正在为改善社会而工作。
It is as important as fresh air and water for betterment.
这是同样重要的新鲜空气和水的改善。
That would be the feminine contribution to the betterment of society.
那是社会分工中女性的角色。
They said psychoanalytic thinking could make for the betterment of society.
他们说精神分析思想会让社会得到改进。
I appreciate his many contributions to the betterment of this division.
我谢谢他对本部门的改善做出许多的贡献。
The man worked hard for his own betterment and presently was given a responsible position .
那个人为求升迁而努力工作，没过多久就获得了一个有权的职位。
The man worked hard for his own betterment and presently was given a responsible position .
那个人为求升迁而努力工作，没过多久就获得了一个有权的职位。
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