Still, the biggest financial shock to the global economy since the Great Depression hasn't -- at least so far -- been accompanied by the usual symptoms of deep recession.
In this article, I want to talk about a common cause of burnouts - a cause I call deep procrastination - and provide some understanding for why it happens and how to prevent it.
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结论鼻咽癌诊断困难原因主要有医生对此病警惕性不够和症状及体征不典型,活检取材位置不正确和深度不够。
The main cause of diagnosis difficulty in nasopharyngeal carcinoma are alert for doctor, atypical symptoms and no proper biopsy.