The global downward market trend accelerated Thursday with two economic reports that cast doubt on the sustained vitality of the U.S.economic recovery.

VOA: standard.2010.05.20

Frost's "sound of sense," the abstract vitality of our speech.

弗罗斯特的“感性的声音“或者是我们讲的抽象活力。

耶鲁公开课 - 现代诗歌课程节选

It is the abstract vitality of our speech.

这就是抽象地说话的奇妙之处。

耶鲁公开课 - 现代诗歌课程节选

We forget about the enormous trading vitality of Asia, even sea vitality and land vitality at the same time, but they are without any question by this point-- with the decline of the Spanish empire, which begins before this course-- the Dutch and the English.

我们先不考虑亚洲大量的贸易活动,包括同时的陆上和海上贸易,在十七世纪之前,随着西班牙帝国的衰退,欧洲最大的贸易实体,毫无疑问是荷兰和英国

耶鲁公开课 - 欧洲文明课程节选