以前美国青年曾经在爬满常青藤的世外桃源里面探索伟大的思想，而如今这种现象已经消失，你可以对此凭吊。
You can mourn the disappearance of an ivy-covered Arcadia where America's youth once went to discover Big Ideas.
当候鸟通常迁徙的秋季来临时，科学家让每只鸟都在相邻的两个房间中呆几小时，其中一个房间用假天竺葵而另一个用假常青藤装饰。
In the fall, when the birds normally migrate, the scientists let each bird spend a few hours in two adjacent Chambers, one decorated with fake geraniums9 and the other with fake ivy.
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