Besides trade, knowledge about science, arts and literature, as well as crafts and technologies was shared across the Silk Road.

除了贸易，科学、艺术、文学、工艺和技术等也在丝绸之路上得到交流。

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"I believe that the trade of critic, in literature, music, and the drama, is the most degraded of all trades, and that it has no real value," Twain writes.

“我认为，在文学，音乐，戏剧领域中批评家这一行当，是所有营生中最低级堕落的，完全没有一点真正的价值，”吐温写道。

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Though he now and then "tomahawked" innocent victims, it was good for native authors to be warned that literature was an exacting trade.

尽管他不时对无辜文人苛评，对本国作家未必没有好处，至少告诉他们写作是严谨的行当。

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