"We have to protect the social gains that we have made in this hemisphere over the past decade,and ensure that the economic recovery of all the countries in the hemisphere does not come at the expense of the poorest and most vulnerable members of our society,".

VOA: standard.2009.04.15

To write any kind of epic at all might very well seem to be embracing an inappropriately sensual paganism at the expense of the higher discipline of good, old-fashioned monotheistic Christianity.

不论你想写好任何形式的史诗,你都要接受一些不太恰当的异教信仰,违反一些基督教中好的教条，和过时的一神论思想。

耶鲁公开课 - 弥尔顿课程节选

This thing's nice because rather than do "if" and "and and" or "or or" and all of this, you can instead enumerate things a little more cleanly, albeit apparently at the expense of more white space.

这个东西是不错的，因为它不用“if“和“and，and“,或者“or，or“所有的这些，你可以用枚举来更清楚地表达它，虽然表面上它用了更多的空格。

哈佛公开课 - 计算机科学课程节选