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 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

Usually handset ASP level dips sequentially into 4Q11, but this autumn Nokia suffered such a steep ASP fall that the company was actually able to deliver a partial rebound into the Christmas season.

FORBES: Everything is Relative - Nokia Bounces as much as Apple

The final figures for last autumn's university intake in the UK show a fall in applications from men which was four times that among women.

BBC: Education & Family