accumulation of risks的用法和样例：
- An accumulation of data to be processed.
- An accumulation of work is waiting to be done.
- The steady accumulation of small debts was a ball and chain to his progress.
- I have to take a lot of risks in my job.
- Preventing abnormal or excessive accumulation of fat in the liver.
- The element of risk gave (an) added zest to the adventure.