改进过后，这些方法同样能用于制造其他色光，但是现在这些并未马上起步，因为彩色光线难于封装。
These can be modified to produce different colours of light, too, but they have not taken off quickly because they can be hard to package.
另一个我喜欢这些时间的原因是，光线的角度和光线对场景效果的影响——制造出生动有趣的背景，层次和纹理。
The other reason that I love these times is the angle of the light and how it can impact a scene - creating interesting patterns, dimensions and textures.
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