Then she read about seasonal affective disorder, a form of depression that occurs in fall and winter, and she saw the light—literally.

然后她读了关于季节性情感障碍的书，这是一种发生在秋天和冬天的抑郁症；而她真的看到了光。

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Moreover, the problem of oversensitivity to light is even more acute in the fall, when the leaf is busy preparing for winter by dismantling its internal machinery.

此外，对阳光过度敏感的问题在秋天更为严重，因为此时叶子正忙着通过“拆卸内部机构”为冬天做准备。

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"We expect that to last a little bit longer, but then in the fall and winter we will see a very big surge, as we have seen in previous pandemics,"

VOA: standard.2009.07.31

Nothing beats Europe in the fall and winter if you want more bang for your buck.

CNN: Travel on the cheap: 5 times to go

The United States will work with the Polish Government to convene this roundtable in the fall-winter of 2011.

WHITEHOUSE: Fact Sheet: U.S.-Poland Business Roundtable

Massachusetts vaccinated more residents against the swine flu and seasonal flu in the fall and winter than any other state.

FORBES: The New Bird Flu: How Dangerous Is Avian Flu H7N9?