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So having a chance to choose is a costliness for every one .

能让自己去选择是一件奢侈的事情。

Universality , costliness and genetic control all suggest that music has a clear function in survival or reproduction , and dr miller plumps for reproduction .

普遍性、消耗性和基因控制，这些都显示音乐在生存和繁衍方面具有明显作用，米勒博士认为这是出于繁衍之故。

Given the costliness of the film and the complexity of the process , it 's easy to understand why early color photographers had to be choosy about picking the subjects and conditions that their camera could capture well ( rather than , as is ideally the case , working the other way around ) .

鉴于胶片的昂贵及处理的复杂程度，我们很容易理解为什么早期的彩色照片在选材取景时必须精挑细选，保证他们的照相机能够较好地摄取画面（而不是像我们理想的那样随意拍摄）。