It is vast,it costs an enormous amount of money, but of course it is funded from taxation and the contribution made by patients."

VOA: standard.2009.09.24

A perpetuity is an asset or a contract that pays a fixed amount of money each time period, forever.

永续年金是一种财产或者合同,规定在每一时间段内,支付一定数量的货币,直至永远

耶鲁公开课 - 金融市场课程节选

An international security analyst with experience in kidnapping and ransom negotiations in Somalia tells VOA that an undisclosed amount of money was raised and subsequently paid through local Somali contacts.

VOA: standard.2009.11.26