contrast作名詞可數嗎

　　The contrast of white and orange was so beautiful!

　　白色和橙色的對比真美麗��！

　　There'd be a merry contrast betwixt my glory and my raiment!

　　我的榮譽和我的衣著之間的對比是令人愉快的！

　　Mathematicians, by contrast, tend historically towards solitude.

　　相比之下，數學家在歷史上傾向于獨處。