搜元素提供国外优质的免版权矢量素材资源免费下载，该资源的中文名称是：The product development process is a six-stage plan that involves taking a product from initial concept to final market launch，英文名称是：The product development process is a six-stage plan that involves taking a product from initial concept to final market launch，该资源由网友上传，提供高速下载。
