世界经济论坛是一个致力于通过公私合作改善世界状况的国际机构，总部位于瑞士日内瓦。

Headquartered in Geneva, Switzerland, the world Economic Forum, committed to improving the state of the world, is the International Organization for Public-Private Cooperation.

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蒸汽的高成本、加上货运对速度的低需求，使得世界上大多数的海运货物都是通过帆船来运输的，直到20世纪初，这一状况才有所改变。

The high cost of steam and the lesser need for speed kept the majority of the world's ocean freight moving by sail until the early years of the 20th century.

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如果粮食状况持续恶化，那整个世界将以越来越快的速度崩溃。

If the food situation continues to worsen, entire nations will break down at an ever increasing rate.

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Also, the world's diet is changing to look like that of America.

同样地,世界饮食状况的改变,和美国的情况也很相似

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