变例 meaning in English

variation

All of these laid a solid foundation for duyu ’ s success in wring the annotation of classics and elucidations in “ spring and autumn annals ” . the focus of the dispute between the studies of classical style and those in contemporary style in han dynasty was whether zuo zhuan gave explanations for the spring and autumn annals . based on literay studies in classical styles , duyu constructed the imparting system of zuozhuan , built the theory of zhengli and bianli and formed the complete system of zuo ’ s studies on the spring and autumn annals , which in real sense , turned zuozhuan into studies on the spring and autumn annals . therefore , duzhu marked a milestone in the history of studies on the spring and autumn annals
汉代今古文之争的焦点是《左传》传不传《春秋》 ,杜预在古文学派的基础上,构建了《左传》的传授系统,创立了正例、变例说,形成了完整的《春秋》左氏学体系,使《左氏春秋》从真正意义上完成了向《春秋》学的转变;杜注也由此成为《春秋》学史上的里程碑式的著作。