actuary ['æktjuəri]

精算师（名词）

(noun) A statistician who is employed in the insurance industry to calculate insurance rates according to risk factors.

EXAMPLE: An actuary can recommend insurance rates based on the age, health, and living habits of the individual being insured.

精算师可以根据受保人的年龄、健康和生活习惯推荐费率。

deal breaker

致使协议破坏的事物

Any issue that will destroy an agreement or end a negotiation.

EXAMPLE: The construction company compromised with its stubborn client on several points, but his refusal to pay accident insurance was a deal breaker and discussions with him stopped completely.

这家建筑公司在好几个问题上对顽固的客户做了让步，但客户拒绝支付事故险，致使协议无法达成，谈判彻底终止。