阻止商品、服务以及资本的跨界自由流动是十分危险的，因为想要使市场发挥作用，你就必须令套利发挥作用。

Preventing the free flow of goods and services and capital across international boundaries. That is a danger because in order for markets to work, you need arbitrage to work.

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如果商品快到保质期，那样会很危险。

If goods are not in date, they may be dangerous.

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危险在潜伏着，他警告说，不只是在股票市场，并且在债券和商品市场和其他类别的资产上。

Danger is lurking, he warns, and not just in stocks, but also in bonds and commodities and other asset classes.

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