他还说，未诊断的患者可能处于谱系中程度比较轻的一端，他们可能和家人相处不错，不需要诊断。
He said the undiagnosed cases are likely to be at the mild end of the spectrum, are coping well with their families and may not need a diagnosis.
Source Trading的交易员尼克•考普(Nick Kaupp)说，与最近几个交易日相比，周一尾盘的活跃程度是比较轻的。
End-of-day activity was light compared to recent sessions, said Nick Kaupp, a trader with Source Trading in Stamford, Conn.
脑震荡的程度可能比较轻微，但是医生可能会要求做CT检查，以检测更加严重的伤势。
Concussions can be mild, but doctors may order a ct scan to look for a more serious injury.
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