But for many millions of people the devastation caused by changing seasonal patterns and unpredictable weather is already a clear and present danger.

而对于数百万民众来说，由不断变化的季节模式和变化莫测的天气导致的破坏已经是迫在眉睫的危机。

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People will also have to contend with unpredictable shifts in weather patterns.

同时，人们要同无法预测的变化的气候模式做斗争。

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Weather patterns have become unpredictable, which means that summer periods could be extended or winter may be longer than usual.

天气已经变得不可预测，这意味着夏季可以延长或冬季可能会比平常更长的时间。

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The journey is expected to take the crew through the "Doldrums" -- equatorial regions in the Atlantic, Pacific and Indian oceans known for unpredictable weather patterns that include listless winds that can trap sailing vessels.

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