Metaphor is one of the central research topics in Cognitive Linguistics,providing a mental lens through which to construe the interaction between language and cognition. After more than 40 years of development,the Metaphor Theory still remains controversial and receives criticisms. Based upon the review and analysis of the previous studies,this article tries to address some basic questions among the latest developments of Metaphor Theory systematically,and the follow ing conclusions are obtained: 1) CMT has...