An Emory University research team decided to test that idea-with chimpanzees who also yawn contagiously.

因此艾莫利大学的研究小组决定用也会传染性哈欠的大猩猩作为观察对象，验证以上的猜想。

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An Emory University research team decided to test that idea-with chimpanzees, who also yawn contagiously.

因此艾莫利大学的研究小组决定用也会传染性哈欠的大猩猩作为观察对象，验证以上的猜想。

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The book is unpretentious; it can present names without dropping them, and the tone is contagiously warm.

这本书写得朴实无华，它提了几个名字，但又没有滥用来抬高自己，而且书的语气。

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Having said all that, I would be remiss not to make one point clear: the number of naturally inspiring, authentically committed, and contagiously optimistic leaders I have encountered in these countries far surpassed my expectations and is, on a relative basis, superior to other regions of the world.

FORBES: The Talent and Leadership Gap in Developing Countries

Moreover, the longer he lasts, the bigger the risk that other countries in the region will get sucked into the mayhem, as has happened in the past when civil strife has spread contagiously back and forth through nearby Sierra Leone, Liberia and Guinea, leaving hundreds of thousands dead and several million destitute.

ECONOMIST: Chaotic C?te d'Ivoire