Again, depression is a good example.

抑郁症又是一个好例子
People who are depressed often become completely non-functional.

抑郁的人常常会变得完全不能正常生活
They can't get up and go to class; they can't go to work;

他们无法起床去上课不能工作
they can't interact with their friends;

也没有办法和朋友交流
they withdraw and become totally isolated socially.

完全与世隔绝没有社交
So, they might lose their job; they might flunk out of school.

他们可能会丢了工作因不及格而退学
And this complete decline in functioning is one of the major reasons that

功能的完全衰退是我们把抑郁症列为
we consider depression one of the most debilitating disorders.

最衰弱的精神疾病之一的主要原因
And then finally, "deviance," the behaviors or feelings are highly unusual.

最后是"异常" 行为和感觉非常的不寻常
This is probably the most controversial of the three.

这可能是这三点里争议最大的一项
Because it weighs, it is so heavily influenced by the social norms.

因为它很大程度上受社会准则的影响
What's deviant in one culture is not deviant in another culture.

在一种文化里的异常在另一种文化里就不是