实际上除了不允许对图片手工补绘外，并没有其他任何限制，不管你使用什么型号的滤镜、框架组合、效果增强都可以。
There aren't really any restrictions, short of manually painting in images — any number or type of filters, combination of frames, and enhancements are allowed.
美国卫生官员试图用这些图片和其附加的信息来增强香烟上警示标语的效果。
Health officials are considering the jarring pictures and accompanying messages in their effort to revamp tobacco warning labels.
和许多喜欢数码摄影的人一样，我也会把图片的尺寸处理小一点，以增强整个图片的效果。
As with most people who take digital photographs, I like to crop my raw photographs to reduce file size and to improve the composition of my photos.
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