这张照片是在2009年春天所拍摄的，它反映了美丽色彩的对比和人民勤劳的工作。

This photo was taken in spring 2009 while I was in China. It is a beautiful contrast of the colors and people working.

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我知道线条，形态，色调，色彩的对比产生活力。紧张或张力有什么作用呢？

I know contrast in line, shape, tone, and colour creates vitality, but how about tension.

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另外也可以通过对比的手法，包括面料的对比和色彩的对比来突出纽襻的设计等。

Another approach can also be compared, including the fabric of the contrast and color contrast to highlight the design of New Zealand loop.

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