His novels are a rich source of material for the movie industry.

他的小说为电影业提供了大量素材。

《牛津词典》

It is a similar story with economic growth, the other source of material progress.

作为物质进步的另一源泉——经济成长，也有跟科学类似的故事。

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Seed plants have many other uses, including providing wood as a source of timber for construction, fuel, and material to build furniture.

种子植物还有许多其他用途，包括提供木材作为建筑木材、燃料和制造家具的材料。

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They have a material that supplies electrons and a power source that lifts the energy level of those electrons.

VOA: special.2010.09.01

There is in Frost no God, no transcendental source of guidance or consolation, nothing out there in the world but the material conditions of our circumstances.

在弗罗斯特的诗里，没有上帝，没有卓越的指引和安慰，这个世界里什么都没有,除了我们生活环境的物质条件。

耶鲁公开课 - 现代诗歌课程节选

As a result, she was a source of material for a dozen songs composed by jazz greats.

CNN: The glamorous heiress who devoted her life to jazz

Since adopting my daughter from China in 2005, I've discovered motherhood is an unending source of material.

FORBES: Diane Clehane - The Parent $$$ Trap - Archive

Not surprisingly, Prozac has also become a source of material for film directors.

BBC: How Prozac entered the lexicon