"They remain treated as temporary migrants and, without that piece of paper, some form of identification, they are not able to access many of these government schemes that exist now, that have large funds behind them and could actually make a huge difference in poor people's lives,"

VOA: standard.2009.09.24

And so, for today, for example, it says Classification Schemes, Mendeleev, Atomic Structure, A Readings Chapter 1, Chapter 2, Appendix A.

今天，举个例子，讲的是分类法，门捷列夫，原子结构，阅读第1，第2章，和附录。

麻省理工公开课 - 固态化学导论课程节选

Well not necessarily, because there are many different schemes that one can follow to eat a healthy diet.

不一定,因为还有许多不同的方案,都是我们可以遵循的健康饮食方案

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That's pretty good 'cause now, I can pretty much cover my American keyboard pretty effectively both upper case, lower case, and a whole bunch of punctuation. For other languages as in aside, there are other encoding schemes when there are more characters.

那是相当不错的，它可以包含整个美式键盘中的字符,包括大小写字母和一连串标点,对于其他语言，当涉及更多字符时就会有其他的编码体系。

哈佛公开课 - 计算机科学课程节选

But as I'll mention in a few minutes, there are possible schemes that one can follow to get you to the goal line as well.

但正如我几分钟之前所提到的,还有很多可行性方案可以遵循,同样会让你很健康

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选