mission statement指的是任务，使命陈述，强调陈述对象是任务和使命。

vision statement是观点，愿景陈述，强调陈述对象是观点和愿景。

例句：

mission statement

1、This mission statement has been market tested.

这一使命宣言已经得到了市场的检验。

2、Whereas the mission statement answers the question, what is our business?

而使命陈述回答了问题，什么是我们的业务？

3、The agency must rethink its mission statement and strategic plan.

该机构必须反思其使命声明和战略计划。

4、Mission statement, officers, membership information, link to other organizations and publications for literary translators.

任务说明，管理人员，会员信息，链接到其他组织和文学翻译出版物。

vision statement

1、The vision statement answers the question, what do we want to become?

愿景声明回答了这个问题，我们怎么想变成什么？

2、After extensive debates and discussions, every group proposed the vision statement of their own.

经过深思熟虑的辩论和讨论，每个小组都提出了各自对于愿景的理解和陈述。

3、Many organizations develop both a mission statement and a vision statement.

许多组织发展既是一个使命宣言和构想说明。

4、The first is the vision statement ( or user need), which captures the contract between the development group and the buyer or user.

第一种是观点陈述（或用户需要），它抓住了开发团队和买方或说用户之间的合同。