由于Skimlinks URL看起来就像是普通的非附属链接，因此，完全看不到出版商同他们链接的营销产品之间的分割。
The fact that the publisher is getting a cut from sales of the product they’re linking to is completely invisible, as a Skimlinks URL looks just like a normal non-affiliate link.
设计：以诊断为依据的非随机化同期对照研究。单位：中山大学附属第一医院康复医学科。
DESIGN: Non - randomized case controlled study based on diagnosis SETTING: Rehabilitation Medicine Department of First Affiliated Hospital of Sun Yat - sen University.
传送的非受控文件和其附属文件不进行修订控制。
Uncontrolled documents and the accompanying document transmittal will identify that documents are not subject to revision control.
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