很多人都被失眠症困扰着，失眠是一种睡眠的紊乱状态，可由多种原因引起，其中包括压力和睡眠周期的不规律。
Many people suffer from a sleep disorder known as insomnia. Insomnia is caused by many different factors including stress and an irregular sleep cycle.
骨移植的临床结果取决于多种因素，包括移植骨的种类，固定方法以及受体床的部位和状态。
The clinical outcome of bone grafting procedures depends on many factors, including type and fixation of the bone graft as well as the site and status of the host bed.
它的表现形式多种多样，包括极端的懒散状态和轻微的忧豫不决。
Its manifestations varied, including extreme idle state and a slight melancholy never.
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