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1·New rules on amateurism allow payment for promotional work.

新的业余工作条例规定，做促销工作可获得报酬。《牛津词典》

2·He is a staunch supporter of amateurism in intercollegiate athletics.

他坚决支持把学院之间的体育活动业余化。《柯林斯英汉双解大词典》

3·In other words, Voltaire's amateurism in science was a source of his contemporary appeal, demonstrating for the first time the accessibility of Newton's ideas to nonspecialists.

换句话说，伏尔泰在科学上的业余性“是他当时吸引力的一个来源，第一次证明了牛顿的思想对非专业人士的可接受性”。