Economic prosperity depends critically on an open world trading system.

经济繁荣关键取决于一个开放的世界贸易体系。

《柯林斯英汉双解大词典》

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He's also decided to give up leadership in Light up the World Foundation to start a company in India that will develop a more energy-efficient and cheaper lighting system that he hopes will bring even more light to the world's poor.

VOA: standard.2009.12.13

And this is very important, because the Romans, as their power grew in the East, they simply moved increasingly into the eastern Mediterranean and they adopted the whole Greek system, the Greek world, and they didn't even try to make it non-Greek.

这点非常重要，因为随着罗马人的势力在东方日渐壮大，他们不断朝地中海东部推进,并采取了全套希腊系统，希腊世界，甚至没有作出任何非希腊式的改变。

耶鲁公开课 - 新约课程节选

Because I think our education system, pre-college is generally not great in sort of the world scale.

因为我觉得我们的教育系统，大学之前的教育在世界范围内并不是最好的。

优秀的MBA人们 - SpeakingMax英语口语达人

The British world-system then held together until the second world war.

ECONOMIST: The British empire

If a benign geopolitical environment was the bedrock of the 19th-century empire, it was the catalogue of geopolitical disasters of 1940-42 that demolished the British world-system once and for all.

ECONOMIST: The British empire

Titan will be 10 times more powerful than ORNL's last world-leading system, Jaguar, while overcoming power and space limitations inherent in the previous generation of high-performance computers.

ENGADGET: Cray's Jaguar supercomputer upgraded with NVIDIA Tesla GPUs, renamed Titan