And alfalfa can be a valuable food source for animals.

VOA: special.2010.02.09

It'd be actually much more valuable for you to know how to ; right?--if you're getting along in Western civilization; or how to use computers,or sexual technique, or how to speak other languages.

懂得如何修车,对吗，如果你要融入西方文明;,还要懂得如何使用电脑，性技巧，说一门或多门外语。

耶鲁公开课 - 新约课程节选

And deciding how valuable it is, how good it is for me to be alive is a matter of adding up the value of the contents of the life.

它的价值，以及我活着的好处,取决于生活内容的价值总和。

耶鲁公开课 - 死亡课程节选

But those in favor and those opposed seem to agree on one thing: the matter must be settled quickly so it doesn't hang over the AU agenda, taking up valuable time at summits for years to come.

VOA: standard.2009.07.02