at-cost basis

One strategy is to consider the minimum amount of income you require on an annual basis and then see if there's a low-cost annuity that promises to pay at least that amount for life.

一个策略是，想想你每年所需的最低收入是多少，然后看看有没有低成本的年金，可以承诺终生支付至少这个数目。

At present American dialysis clinics are paid on a "cost-plus" basis for the drugs they use.

目前，美国透析诊所需要支付他们所用药物的成本加价。

A cost estimate at a given stage of project development represents a prediction provided by the cost engineer or estimator on the basis of available data.

在项目开发过程中的某一特定阶段的成本估算就是造价工程师在现有数据基础上对未来成本的预测。