His thirty-second pieces of monkey music also used sounds about as long as the monkeys' calls.

VOA: special.2009.09.29

And just from this little section of the poem, you can see that the theme of a new kind of education and only that can remedy nature's defects, as Machiavelli calls them. It is this lack of strife, this long lack of strife, that makes people weak.

仅从这首诗的这一小部分中，你能看到一种提倡新型教育的主题,而且只有那样才能弥补本性的缺陷，如马基雅维利所称，正是由于缺少争斗，这种长时期的冲突匮乏，才使得人们变得软弱。

耶鲁公开课 - 政治哲学导论课程节选

It calls for America and Russia to each deploy a limit of one thousand five hundred fifty long-distance nuclear weapons -- a cut of about thirty percent.

VOA: special.2010.04.17

Waskow says the major challenges created for many poor countries by climate change, calls for long-term investment.

VOA: standard.2009.12.11