recurrence rate的用法和樣例：
例句
- When people immigrate to a country where the colorectal cancer rate is higher, they seem to quickly come up with the same occurrence rate of the cancer.
當移民們來到一個腸癌機率較高的國家，他們會很快接近於當地腸癌病發率。 - The third variable is the discount rate.
第三項是折現率。 - To determine the right discount rate, therefore, the economist must answer at least two ethical questions.
為了找出正確的折現率，經濟學家至少必須回答兩個道德問題。
