a respectable sum of money的用法和样例：
- I've come back to coax a respectable sum of money out of an aged woman who happens also to be my mother.
- it cost a considerable amount; a goodly amount; received a hefty bonus; a respectable sum; a tidy sum of money; a sizable fortune.
- I had to spend a large sum of money to get it back.
- He deposits a sum of money in the bank each month.