actuary ['?ktju?ri]

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精算師（名詞）

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

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

精算師可以根據(jù)受保人的年齡、健康和生活習慣推薦費率。

deal breaker

致使協(xié)議破壞的事物

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

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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.

這家建筑公司在好幾個問題上對頑固的客戶做了讓步，但客戶拒絕支付事故險，致使協(xié)議無法達成，談判徹底終止。