act of faith的用法和样例：
- However, with mutable objects, this is simply an act of faith.
- However this act of faith is not a mere assent of the mind to these truths.
- And I felt that I was witnessing a combination of fear and an act of faith at the same time,which is rare.
- It is an act of faith, which is required today by all of us in restoring the free society.
- Moving to ShangHai required an act of faith, I didn't know if I would be able to find work but I did.