According to the passage, what should we pay attention to if we want to do business in different countries?

根据文章，如果我们想在不同的国家做生意，我们应该注意什么？

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Pilots from different countries understand body signals if they have the correct training. When you wave your arms up and down in a straight line, it means "yes".

如果接受了正确的训练，来自不同国家的飞行员都能理解身体信号。当你沿一条直线上下摆动手臂时，就表示“是”。

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Many people love travelling to different countries, but if you plan to go abroad, you should know how to behave in different situations around the world.

许多人喜欢去不同的国家旅行，但是如果你打算出国，你应该知道在世界各地面对不同的情况时要怎么做。

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If individuals in different countries around the world are trading with each other, the incentives for armed conflict are greatly reduced.

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His criticism was echoed by British Conservative MEP Jacqui Foster who warned that removing GMES from the long-term EU budget could mean that the benefits of the GMES project, such as early warning of climatic disasters, would not be spread equally, if different countries paid in different amounts to the GMES fund.

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When one looks at the health of our economy, it's almost as if we are living in two different countries.

NPR: State of the Union: Democratic Response Text