This is because, with a broad source, light rays hit your subject from more directions, which tends to fill in shadows and give more even illumination to the scene.

这是因为光源越广，射在物体上光线的方向就越多，这会起到增加场景中的照明、减少阴影的作用。

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A broad light source lessens shadows, reduces contrast, suppresses texture. A narrow light source does the opposite.

广泛的光源能够弱化阴影、降低对比、抑制纹理，较窄的光源则作用相反。

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Broad beans are considered a good source of phosphorous, copper and potassium.

蚕豆被认为是磷、铜和钾的较好来源。

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To further its mission, Linaro aims to unite the open source engineering resources within its member firms with the broad open source community.

ENGADGET: ARM, Samsung, IBM, Freescale, TI and more join to form Linaro, speed rollout of Linux-based devices

Washington (CNN) -- Business and labor negotiators working to hammer out a deal on an immigrant guest worker program have reached broad agreement, a source familiar with the talks said Saturday, eliminating one major hurdle to legislation revamping the nation's immigration system.

CNN: Sides reach broad agreement on immigrant guest workers

It is this kind of prosperity - broad, shared, built on a thriving middle class - that has always been the source of our progress at home.

BBC: State of the Union: Obama pledges to reignite economy