查询词典 heated term

However, since the life annuity is a long-term economic action, the factors of government policy and economic cycles may cause interest rate to be uncertain during the period of insurance. So the study on the theory of life annuities under random rates of interest has gradually become one of the heated and major problems of actuarial science.

但由于生存年金是一种长期的经济行为，投保期间的政府政策、经济周期等因素都会造成利率的不确定性，从而随机利率下生存年金理论的研究逐渐成为保险精算学研究的重点与热点问题之一。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。