By now, there is still no record in the world to be used in trade operation at the moment.

但是目前在世界范围内还没有大规模挂网商业运行的记录。

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For instance, physics allows you to observe and rationalise the world, but also to integrate observations into models and, sometimes, models into theories or laws that can be used to make predictions.

例如，物理学可以让你观察并理解世界，但也可以将观察到的现象整合成模型，提炼出理论或定律用以对未来做出预测。

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Prisons are no longer the grim forbidding places they used to be. Social welfare systems are in operation in many parts of the world.

监狱不再是过去那种可怕的令人生畏的地方。

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Millions more used buses and cars in what is believed to be the world's biggest annual human migration.

VOA: standard.2010.02.14

And not only are the Greeks as a whole cut off from the rest of the world, but Greece itself, which used to be an area of easy exchange, where people could go from one place to the other and did, localism now comes into the picture.

而且不仅是希腊人作为一个群体被排除在,世界之外,希腊内部也出现了问题,它曾经也是一个贸易中心,人们从其他地方赶来又走向另一个地方,而此时,地方主义开始兴起

耶鲁公开课 - 古希腊历史简介课程节选

"Fifty years ago, Korea used to be one of the poorest countries in the world,".

VOA: standard.2009.11.05

There is just not enough gold in the world to be used as a value backed money medium.

FORBES: 5 Facts To Consider Before Buying Or Selling Gold

The probe centers on past lax regulatory-compliance practices that allegedly allowed HSBC units around the world to be used for potential terrorism financing and for drug cartels to launder illicit proceeds.

WSJ: HSBC Nears Accord With U.S. in Laundering Probe

The document published this week spells out the amounts that Mr Sachs and his team believe will be required, not just for Africa but for all of the developing world, and the methods to be used.

ECONOMIST: Development