If you are feeling sad, you may be suffering from SAD (Seasonal Affective Disorder).
The disorder is due to lack of sunlight during winter months, and affects millions of people each year.
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从小安那里看到的
If you are feeling sad, you may be suffering from SAD (Seasonal Affective Disorder).
The disorder is due to lack of sunlight during winter months, and affects millions of people each year.
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从小安那里看到的
SAD 大一的时候…有这个topic耶…