It would be weeks before he could catch another flight home, but the delay gave him time to hike the Annapurna Circuit, a 14-day trek through the Himalayas.

VOA: standard.2009.12.13

When he goes to Europe on his big sortie, on his big-boy trek through Europe he goes around and he visits all of these botanical gardens.

他的访问团曾到欧洲,在穿越欧洲的成年之旅中,他到处游历,参观了各种植物园

耶鲁公开课 - 欧洲文明课程节选