Which idiom is used to describe praising the advanced and urging the backward? Use an idiom to describe it, please enlighten me:)
Yǒu zég?Izh?, wúzéJiāmi m?n Idiom: If there is something, change it; if there is nothing, it is the encouraged-Zdic.net- of the Han Dynasty. Supplement: supplement. The shortcomings pointed out to others. ...