Metaqanguage is a concept shared by human language and machine language, whose inherent regularity can be externalized as the expressions similar to the ones in natural sciences. Based on the understanding,the recta-language in EFL classroom should hold the characteristics of recta-language and comply with the rule about the interaction of various factors in teaching, and its expressions should be optimized in three aspects, the objectives,the content and the form, so as to push the standardization...
