Leaves fall down from trees in autumn.

在秋天，很多叶子都从树上飘落。

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During autumn, the leaves change color and fall down from the trees.

在秋天，树叶变了颜色，从树上掉下来。

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In autumn the leaves wither and fall off the trees.

秋天，树叶枯萎并从树上落下来。

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In the fall, visitors can watch the sugar maple trees surrender their colorful autumn leaves.

VOA: special.2009.01.05

Each autumn, Jackson holds the Fall Arts Festival.

VOA: special.2009.02.16

House prices dropped in October compared with the previous month as the property market saw an autumn fall, according to the Nationwide.

BBC: House prices fell 0.7% in October, says Nationwide

Michael Hampden-Turner, a strategist at Citigroup, thinks the American default rate will peak at 11.5% this quarter and fall to 6.5% by the autumn of next year.

ECONOMIST: Buttonwood

The report forecasts that the consumer prices index will rise to 3% over the summer, but fall back to 2.5% by the autumn, as energy bills and food prices stabilise.

BBC: High inflation cost the UK economy ?10bn, report says