V2EX time-and-materials

Time-and-Materials

释义 Definition

time-and-materials(按工时与材料计费):一种常见的合同/计费方式,费用通常由人工工时费(time)+ 实际材料成本(materials)组成,常用于需求不确定、范围可能变动的项目(如软件开发、维修、咨询、工程变更)。也常写作 T&M
(另有相关用法如 time-and-materials contract “工时材料合同”。)

发音 Pronunciation (IPA)

/tam n mtrilz/

词源 Etymology

源自商业与工程采购语境:time 指按投入工时计费,materials 指按实际使用材料计费。该表达在20世纪工程承包、维修服务与项目管理领域中逐渐固定为一种合同类型术语,用来区别于 fixed-price(固定总价) 等定价方式。

例句 Examples

We bill on a time-and-materials basis for support work.
我们对支持类工作按工时与材料计费。

Because the scope is uncertain, the client chose a time-and-materials contract with a not-to-exceed cap.
由于范围不确定,客户选择了工时材料合同,并设置了不超过某上限的封顶金额。

相关词 Related Words

文学与著作中的用例 Literary Works

  • *A Guide to the Project Management Body of Knowledge (PMBOK Guide)*(项目管理知识体系指南):讨论采购与合同类型时常提到 **time and materials (T&M)**。
  • Construction Contracting: A Practical Guide to Company Management(施工承包管理类经典教材,常见版本以Clough等作者为代表):在合同计价与风险分配章节中使用 time-and-materials
  • Construction Contracts(建筑合同/工程合同法与实务类著作,多位作者有同名教材与专著):通常在合同类型与计价条款中出现 time and materials
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