Product Requirements Document: The contract between, at a minimum, marketing and development, describing completely and unambiguously the necessary attributes (functional performance requirements) of the product to be developed, as well as information about how achievement of the attributes will be verified (i.e. through testing).
产品需求文件:营销与开发之间的合同，全面、清晰地描述待开发产品的必要属性(功能性要求)并提供属性验证的信息(如通过测试)。