你能帮我把实验报告交给戴维森博士吗？
不过，因为测距仪造价昂贵又笨重不便，戴维森博士想换掉这种测距仪，改用轻巧便宜又一目了然的数位照相机。
Dr Davison, however, wants to replace the range finders, which are expensive and fiddly, with a digital camera, which is small, cheap and well understood.
威斯康辛大学麦迪逊分校的理查德·戴维森博士说：“心理幸福感，比享受幸福更加令人满意而且力度更强，并且它能让大脑不同部分都忙碌起来。”
"Eudaimonic well-being is much more robust and satisfying than hedonic happiness, and it engages different parts of the brain," says Richard J. Davidson, PhD, of the University of Wisconsin-Madison.
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