"I want to emphasize our commitment to the Nigerian market,". "This new flight is a key part of Delta's African expansion and ensures that we maintain our position as the number one US carrier to Nigeria and more broadly to Africa."

VOA: standard.2009.06.13

We've talked about one the main concepts in physiology being homeostasis, that is 'how do you maintain a constant internal environment?

我们讲到了生理学的主要概念,内稳态,即如何维持内环境的稳定

耶鲁公开课 - 生物医学工程探索课程节选

If you take cells from my skin and disperse them and we'll talk about ways to do that next time, and you try to maintain them in a beaker.

如果从我的皮肤上取出些细胞,并消化它们,具体做法下节课讲,并把它们培养在烧杯里

耶鲁公开课 - 生物医学工程探索课程节选

If we want to know the possibilities for spiritual growth, value growth or moral development in human being, then I maintain that we can learn most by studying our most moral,ethical,or saintly people.

如果想知道心灵成长的可能性，人类价值增长或道德发展的可能性，那我认为，我们可以研究,最道德或圣洁的人。

哈佛公开课 - 幸福课课程节选

All of our texts that we will read--the Republic the Politics the Prince the Social Contract have different views on the qualities of statecraft and what are those qualities necessary to found and maintain states that we will be considering.

我们所有将阅读的教材中，包括《理想国》,《政治论》，《君主论》，《民约论》,都有不同的权术特性观点,哪些特性是建立及维持国家所必需,我们都将加以思量。

耶鲁公开课 - 政治哲学导论课程节选

And a lot of the strikes that you see in high schools and in-- I better get to my lecture,but-- you see in high schools and even in middle schools, have to do with the State,somebody saying, well we're going to take away two-hundred teachers in your department, or we're going to maintain a curriculum that doesn't seem to make any sense.

在高中里可以看到很多罢课,我最好回到正题,但还是再讲一点,在高中,甚至在初中有很多罢课,为了反对政府的某项规定,比如说要在这个系减少两百个教师,或者主张一份,完全不合理的课程安排

耶鲁公开课 - 1871年后的法国课程节选