A one-hour trip in a small airplane makes it possible to see the park's red rocks, arches and flat areas where ancient Indian people once lived.

VOA: special.2009.04.15

But it's always minding that team dynamic because at the end of the day, we're just a group of people working on one single goal If we can't step in a cohesive coordinative fashion, then we're going to trip all over the place.

但是团队动态需要始终放在心上,因为当这一阶段结束后，我们就会成为一群人在为同一个目标奋斗,如果我们不能成为一个相互协调相互统一的整体，那我们就会东扑西扑。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

He was right. He began his first trip in September of eighteen twenty-one.

VOA: special.2009.03.30

It made the trip in eighty-nine days, and twenty-one hours.

VOA: special.2009.12.23

Suffering was terrible. An officer who led the wagon train said he learned more about the horrors of war on that one trip than he had learned in all of his battles.

VOA: special.2009.11.05

One week after a trip to East Asia that included several days in China, Mr.Obama went out of his way to stress that he also sees India as an important player in international affairs.

VOA: standard.2009.11.25