The extracted object has rough edges that are often tinted with the color of the previous background.

提取对象有粗糙的优势，这往往是有色与颜色前的背景。

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But an oak which has fewer but bigger leaves with stronger reflections, produces a jagged wave form, or what we called a rough echo.

但是，橡树的叶子少而又大，反射力较强，会产生参差不齐的声波，或所谓的“粗糙回声”。

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You might be surprised to hear that the number of people sleeping rough in London has doubled in the last five years and has increased by 30% across the rest of the country during the last two years.

听到这些你可能会很惊讶，过去五年中伦敦露宿街头的人数已经翻倍，而且近两年全国其他地方的露宿人数增加了30%。

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I know that the neighborhood has been getting rough. The crime has been increasing.

我知道街坊们越来越难打交道了，犯罪率也在上升。

That's why 实战 - SpeakingMax英语口语达人

In the past, when the going has got rough, he has tended to shy away from taking tough decisions.

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The Rough Sleeping England 2011 Report has also shown that the Taunton Deane area, which had 12 rough sleepers in 2010, now has the highest number of rough sleepers in the West Country, compared to four people in Bath and North East Somerset, and eight in Bristol.

BBC: Homeless 'gravitating' to Taunton, says charity

But Mr Ghosn has a rough-and-ready strategy for dealing with this: he ignores them.

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