该评分条默认是隐藏的。
比如，随便一个博客上的一条匿名评论，起评分就是负的。
For example, an anonymous comment on a random blog starts off in negative territory.
每一条目相当于一个有关症状，按1 ~ 4级评分。
Each item was equal to a relative symptom with 1-4 grade score.
每一条目相当于一个有关症状，按1 ~ 4级评分。
Each item was equal to a relative symptom with 1-4 grade score.
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