鱼曾是劳动者获取蛋白质的主要来源。

Fish was a major source of protein for the working man.

《柯林斯英汉双解大词典》

知识产权是知识经济社会劳动者的主要权益。

Intellectual property right is the main right for the laborers in the intellectual economic society.

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知识产权是知识经济社会劳动者的主要权益。

Intellectual property right is the main right for the laborers in the intellectual economic society.

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