这在阿拉伯世界尚属罕见，甚至是一项值得庆贺的伟业。

This is still a rarity in the Arab world-and a cause for celebration.

youdao

芝加哥大学的心理学家约翰。卡希伯作了一项研究。

The study was done by psychologist John Cacioppo at the University of Chicago.

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凯里和利伯曼面临一项严峻的挑战。

Kerry and Lieberman face an enormous challenge.

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凯里和利伯曼面临一项严峻的挑战。

Kerry and Lieberman face an enormous challenge.

youdao