* As a possessive: "The joys *de la vie*" (the joys of life).
* To express a quality or aspect of life: "The beauty *de la vie*" (the beauty of life).
* In a philosophical or poetic context: "The meaning *de la vie*" (the meaning of life).
It's important to note that "de la vie" is a more formal phrase than "of life" and is often used in writing or formal speech.