the act of positioning close together (or side by side)
同义词：juxtaposition, apposition
collocation详细解释
col.lo.ca.tion
n.（名词） The act of collocating or the state of being collocated. 并置：并置排列的行为或被并置排列的状态 An arrangement or juxtaposition, especially of linguistic elements, such as words. 搭配：排列或并置，尤指语言学中的成分排列，如构词
