(4/4) Development Activity can be used to gauge a project's commitment to creating a working product, and continuously polishing and upgrading its features.
（4/4）开发活动可用于衡量项目对创建工作产品、不断完善和升级其功能的承诺。
(4/4) Development Activity can be used to gauge a project's commitment to creating a working product, and continuously polishing and upgrading its features.
（4/4）开发活动可用于衡量项目对创建工作产品、不断完善和升级其功能的承诺。