Jokes are a difficult area.

笑话是一个很困难的领域。

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Mergers and acquisitions are a particularly difficult area, he said.

他表示，并购交易领域尤为艰难。

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Image segmentation is one of the classic problem and difficult area of digital image processing.

图像分割是图像处理领域中的一个经典问题也是一个难题。

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Jokes are a difficult area.

笑话是一个很难理解的领域。

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Jokes are a difficult area.

笑话是一个很难理解的领域。

youdao