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”。

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".

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现在，我需要更具挑战性的东西，我决定利用业余时间以漫画的形式来讲述我自己国家的故事。

Now I need something more challenging and I decide to tell the story of my country, China, in comic format, in my spare time.

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我丈夫是一个计算机程序员。他利用自己的技术和业余时间，自愿承担了一家非营利性机构的网站建立和维护工作。

My husband is a computer programmer and volunteers his time and expertise to a non-profit organization by creating and maintaining their website.

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