Kraft paper and paperboard, other than that of a kind used for writing, printing or other graphic purposes.

牛皮纸及纸板，但书写，印刷或类似用途的除外。

youdao

It sold 2.5 million by its third year and this year, so far, about 3 million users have downloaded its product, which specialize in document viewing, PDF writing and printing from smartphones and tablets.

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The printing press, pizza cutter, writing, paper, all can be thought of as being inventions worthy.

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