In the frame structure "Dayue ( 大约 ) ""Zuoyou ( 左右 ) category" , the semantic requirements of words of "Dayue (大约 ) category" are that words of "Dayue (大约) category" carry the semantic features of non-certainty and the semantic function of non-certaintilization, that the frame structure "measure words + Zuoyou (左右) category" has the semantic feature of one-to-many uncertain relationship between reflecting the objective world and the subjective expression, that words of "Zuoyou ( 左右 ) category" have the seman...