The psychoanalysis is about basically understanding mostly through the subconscious: that's how you understand it; that's how you improve the quality of life.

精神分析学主要通过潜意识分析：,它决定你的理解;,决定如何改善生活。

哈佛公开课 - 幸福课课程节选

and improve the quality of human life to the extent possible without using animal testing.

以及提高人类的生活质量。

需要动物实验吗？ - SpeakingMax英语口语达人

There are defense mechanisms, there are biological instincts, neurosis-- and if you understand these very often dark forces, were better able to deal with life: understand as well as improve the quality of life.

还有防卫机制，人类本能论，神经症-,如果你理解这些黑暗势力，就能更好地处理生活：,了解并改善生活质量。

哈佛公开课 - 幸福课课程节选