White Balance is an aspect of photography that many digital camera owners don’t understand or use – but it’s something well worth learning about as it can have a real impact upon the shots you take.

白平衡是摄影的基本要素之一，但很多数码相机用户都没有完全理解它，更谈不上灵活运用。 不过白平衡是非常值得花功夫学习的，会对你拍摄的照片有非常大的影响。

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Judge Randall White: Do you understand all of the consequences of your plea?

兰德尔·怀特法官：你明白你不申辩的后果吗？

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"I think you can understand why we can't have one policy for white Europeans and another for Filipinos and Mexicans," he said.

他说：“我认为你能理解我们不能为欧洲的白人制订一项政策，然后再为菲律宾人和墨西哥人制订另一项政策。”

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And if you want to understand why so many white Southerners, especially in the Deep South, went to such great extents to save their slave society, remember the kinds of arguments and language used by its defenders.

如果你们想知道为何如此多的南方白种人,特别是南方腹地的人们,想要最大程度地保住他们的奴隶制社会,那就揣摩一下这些辩护者所使用的论断,和他们的语言,措辞

耶鲁公开课 - 美国内战与重建课程节选