Whether the pain is related to the mitral valve prolapse or whether it is an epiphenomenon is controversial because it is common in the absence of evident prolapse 不过，疼痛是否与二尖瓣脱垂相关，抑或只是一种偶发现象，对此人们尚有争议，因为这种疼痛即便是在无明显脱垂时也很常见。
2.
This article mainly has two parts : first is the critique part , i will criticize in this part and it will be pointed out that when the reductional research plan will face the dualism ' s difficult situation of the explanation viewpoint and the language game , it tries only to avoid to pay the price of epiphenomenon 摘要本文主要有个两部分：首先是批判性的部分，在此部分我将批判地指出，化约主义的研究计画在面对解释观点与语言游戏的二元论困境时，仅能规避付出伴随现象学的代价。
