demand of life insurance theory
demand of life insurance theory
寿险需求理论
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The studies of insurance demand include early insurance demand thoughts and modern insurance demand theory which involves optimal insurance theory and life insurance demand theory.
保险需求的理论研究可以分为早期的保险需求思想和现代保险需求理论。
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