These problems severely hinder the energy of entrepreneurs.
这些问题的存在，严重制约了企业家积极性的发挥。
But the previous researches in cognitive and social psychology are disparate, which severely hinder the recognition of the mechanism of individuals' conceptual change.
但以往从认知心理学角度和社会心理学角度分别进行的研究却严重相互脱离，阻碍了人们对个体概念变化机制的认识。
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