在一项又一项研究中，几乎有三分之一的病人在服用无害物质后产生了正反应。
In study after study, there's a positive reaction in almost one-third of the patients taking harmless substances.
万物都可能有毒，因此，绝对无害物质是不存在的。
Everything is potentially poisonous, thus, absolutely harmless substances do not exists.
利用中应活期洗濯，撤除无害物质恒久私附在外貌上。
Use of current washing, removal of harmless substance permanent private attached to the appearance.
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