It was Pablo Picasso who made the dove a modern symbol of peace when he used it on a poster for the World Peace Congress in 1949.

1949年，巴勃罗·毕加索在世界和平大会的海报上使用鸽子作为现代和平的象征。

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All this playing around with binary numbers has made him wonder why binary time—or, for that matter, decimal time—never caught on in the Western world.

通过摆弄这些二进制数，他不禁发出疑问：二进制时间——或者说，十进制时间——为什么从未在西方世界流行开来。

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The World Wide Fund for Nature (WWF) has made a list of five things that each person can do to save the environment.

世界自然基金会（WWF）列出了五件每个人为拯救环境力所能及的小事。

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Deputy Executive Director of the U.N.Children's Fund, Saad Houry, agrees that the reality does not always live up to the Convention's vision of a world that is made safe for all children.

VOA: standard.2009.10.08

That the skills, and particular, the social experiences in exposure to the non-technical part of the world, as a young person, made a huge difference for me.

那些在非技术领域，得到应用的技能,尤其是社会经验，对于年轻的我来说，作用非常大。

普林斯顿公开课 - 领导能力简介课程节选

So I think that those two things kind of together, her own perspectives on the world, her lack of relationships on the other side have made for a divisive kind of leadership, that has come out of the House.

VOA: standard.2010.05.11

UN, in principle, retains the right to impose its will by force may have made it easier for the world body to broker a settlement.

ECONOMIST: The UN and humanitarian intervention

The outdoor climbing frame, built by the army, is the largest man-made structure for apes in the world, and will encourage the chimpanzees' natural curiosity and intelligence.

BBC: Exotic chimpanzee enclosure opens

The CWC will not, despite claims often made for it, rid the world of chemical weapons.

CENTERFORSECURITYPOLICY: Center for Security Policy | ��Inquiry interruptus��: will the Senate get to the bottom of the chemical weapons convention��s fatal flaws?