这一估计还不包括其社会价值，如健康水平的提高和犯罪率的降低。
This estimate doesn't take into account social gains, like better health and less crime.
社会收益也与此相似：较少的年轻人通常意味着较低的犯罪率。
Social gains are likely, too: fewer young people usually means lower rates of crime.
近年来，计算机犯罪率不断上升，造成的社会危害不断增加。
In recent years, more and more computer crime has done increasing harm to the society.
犯罪率是社会不安定的征兆。
社会学家说犯罪率会降低。
社会学家说犯罪率会降低。
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