What will be the proper mix in different risk groups, in different subtypes, in different backgrounds if the goal is to reach a vaccine -- one vaccine -- that could work for all people and nations?" But the researchers say the findings offer new hope for AIDS research.

VOA: standard.2009.10.20

It may not be clear to you on a tenth reading, unless you approach it with the proper questions and the proper frame of mind.

可能在第十次阅读时仍是如此，除非你在着手阅读时,持有适当的问题,及合宜的心情。

耶鲁公开课 - 政治哲学导论课程节选

Perhaps you ought to reexamine your religious values to see if they meet your needs in life. A religious experience can be a beautiful addition to living, if you put it in the proper perspective and do not let it-- I think it's "warp," "warp you."] Read some books on ethical culture."

你或许该重新审视自己的宗教价值观来判断,他们是否符合你生活中的需要，宗教经历可以成为,生活中美好的额外事物，如果你从一种适当的角度,不让它，我认为此处是印刷错误，你们看到一个warf的词了吗？,我认为是歪曲，歪曲你的想法，多读一些民族文化的书籍“

耶鲁公开课 - 1945年后的美国小说课程节选