It is difficult to forecast stock market trends.

股票市场趋势很难预测。

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Of course, exchange rates are notoriously difficult to forecast.

当然，汇率变动的预测之难是众所周知的。

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But the key variable for how things unfold is difficult to forecast: What Beijing will do next.

但作为未来形势的关键变量，北京方面接下来采取什么措施是很难预测的。

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Of all the returns we estimate, perhaps inflation is the most difficult to forecast.

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In reality, big oil profits are controlled by a long list of factors that are comically difficult to forecast.

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These deals have been coming in so fast and furious, it is difficult to forecast how they will collectively affect earnings going forward.

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