Sponsor: An informal role in a product development project, usually performed by a higher-ranking person in the firm who is not directly involved in the project, but who is ready to extend a helping hand if needed, or provide a barrier to interference by others.
发起人:新产品开发项目中的非正式角色。他通常在公司中具有较高的级别，并不直接参与项目，但是在关键时候会伸出援助之手并力排众议。
