a life of depravity的用法和样例：
- She had led a life of luxury and privilege.
- We hope to have a life of happiness and prosperity.
- A life of ease is a difficult pursuit.
- A democratic may of life is a life of give and take.
- He was tempted into a life of crime by greed and laziness.
- Many prisoners, on being freed, regress to a life of crime.