Certain butterflies move into spots of sunlight that have penetrated to the forest floor and display by opening and closing their beautifully patterned wings in the bright spotlights.

某些蝴蝶飞进阳光照射到的森林地面上，在明亮的阳光下煽动翅膀以展示自己的美丽。

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He rose in an elevator to the seventh floor, moved down a hall, and, opening a door, walked into the office of an employmentagency.

他坐上电梯到达7层，穿过一个大厅，打开门，走进了一家职业介绍所。

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Apparently, the stairwell had collapsed into the cellar long ago, leaving only a yawning opening 10 feet above a tangled pile of old timbers on the cellar floor below.

明显可以看出，很久以前楼梯就塌了，楼梯井足足有十英尺高，底下地窖的地板上摞着一堆不知道多少年了的老木头缠在一起。

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These are their views, not ours, but we look forward to opening up the floor to conversation.

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