They have to make complicated trade-offs when buying a carton of milk: If I buy milk, I can't afford orange juice.
甚至在买一盒牛奶时他们都必须进行复杂的权衡：如果我买了牛奶，我就买不起果汁了。
'A good scientist will make complicated things seem simple, because they're all actually arrived at from simple principles.
一个好科学家会让复杂的东西看上去很简单，因为它们实际上都是由简单的原则构成的。
Whole industries have cropped up to make complicated products, to convince us we need these complicated products and to then help us use these complicated products.
整个产业都突然开始生产复杂的产品，并让我们相信确实需要复杂的产品并帮助我们去运用这些复杂的产品。
It can make the multi-circulation detection of swithing value and analog value, and also make complicated detection single and rapid.
它能实现开关量和模拟量的多路循环检测，使得复杂的检测工作变得简单而且迅速。
Current Email software could supply simple filters, but the filters need users to make complicated rules in several items.
目前大部分的电子邮件收发软件，都提供简单的过滤功能，不过需要用户对有限的检测项目制定繁琐的规则。
Current Email software could supply simple filters, but the filters need users to make complicated rules in several items.
目前大部分的电子邮件收发软件，都提供简单的过滤功能，不过需要用户对有限的检测项目制定繁琐的规则。
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