criterion of meaning

例句：

1. 1. The teacher set a highstandard for the students to achieve.
   老师为学生设定了高标准。
2. 2. The new policy isbased on a strict criterion ofenvironmental protection.
   新政策基于严格的环境保护标准。
3. 3.The company's performance is evaluated byseveral criteria, including profitability and marketshare.
   公司的绩效通过几个标准来评估，包括盈利能力和市场份额。