这位存在主义作家的小说探讨了人类在无意义的世界中寻找自由的主题。

The ___existentialist writer's novels explore themes of human freedom in a meaningless world.

作为一位存在主义者，她相信人生的意义由自己创造。

As an ___existentialist, she believes that individuals create their own meaning in life.