n. (17世纪意大利银行家 Tonti 氏倡导的)聚金养老法；〔集合词〕聚金养老会会员；聚金养老会的基金会员所得的养老金。
an annuity scheme wherein participants share certain benefits and on the death of any participant his benefits are redistributed among the remaining participants; can run for a fixed period of time or until the death of all but one participant
a form of life insurance whereby on the death or default of a participant his share is distributed to the remaining members 同义词：tontine insurance,
A tontine is an investment plan for raising capital, devised in the 17th century and relatively widespread in the 18th and 19th. It combines features of a group annuity and a lottery.
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