Most people do not understand basic scientific facts about happiness, about what creates and sustains it, and they consequently do not spend money in ways that optimize their happiness.
大多数人并不理解有关幸福的基本的科学事实——以什么创造和维持——人们因此并不花金钱在能优化幸福的方式上。
When people were then asked to help optimize the screen resolution on a computer where the program had been “helpful”, they were much more likely to do so than with the less helpful version.
当参与者帮助优化电脑的分辨率的时候，程序会显示“有用”，但事实是，他们经常会更喜欢做那些“没有用”的事。
This way, nature ensures that people and animals get to consume a variety of the other nutrients found in plants to optimize health.
这样，大自然就能保证人和动物获得维持最佳健康所需的全部营养。
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