But they do not consider themselves to be better than others who are less important.

VOA: special.2009.03.08

These are honors reserved exclusively for virgins, honors reserved only for those who do not defile themselves with the sins of the flesh.

这是专门为童贞保留的荣誉，专门为那些,没有玷污自己肉体的人保留的荣誉。

耶鲁公开课 - 弥尔顿课程节选

Or it could be not having to do with the cells themselves but maybe the environment that the cell finds itself in.

这种不同也可能和细胞本身无关,而和细胞所处的环境的变化有关

耶鲁公开课 - 生物医学工程探索课程节选

But many also say they do not have enough time to do the work themselves and are under great pressure to do well in school.

VOA: special.2009.04.23

Chimpanzees do not starve themselves to death.

黑猩猩不会饿死自己。

耶鲁公开课 - 心理学导论课程节选

He said the Union of states was permanent -- that the men who built the Union did not do so only for themselves, but for all future Americans.

VOA: special.2009.03.19

The second is the fact immigrants themselves do not see many opportunities.

VOA: standard.2010.01.20