但是这些人要进行集体诉讼必须获得批准，该请求可能会被驳回。
But groups need permission to bring a class action, and that can be denied.
研究人员必须获得医院或诊所伦理委员会的批准。
Researchers must obtain approval only from their hospitals or clinic's ethics board.
她可以创建新内容和更新已经发布的内容，但必须获得最终批准才能将新内容发布到网站。
She can create new content and refresh content that is already published, but she must have final approval for new content to go live.
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