史密斯说个人的满意程度影响了他们整体的快乐感觉。
Individuals' level of contentment affects their overall sense of happiness, Smith said.
结果显示，我们大脑中制造快乐感觉的化学酶是由一些我们所吃的食物产生的。
It turns out that the chemicals in your brain that create feelings of happiness are produced by some of the foods we eat.
当我走进那里，马上就产生来一种快乐感，我探寻地越深，那种感觉就越强烈。
I had a feeling of happiness as soon as I entered the place and the further I went the stronger it grew.
当我走进那里，马上就产生来一种快乐感，我探寻地越深，那种感觉就越强烈。
I had a feeling of happiness as soon as I entered the place and the further I went the stronger it grew.
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