汰旧换新 tàijiùhuànxīn to replace the old with the new Definitions Defs Origin Strokes Stroke Words Sentences Sents 汰旧换新 汰舊換新 tàijiùhuànxīn to replace the old with the new To discard or phase out what is old and replace it with something new.
汰旧换新 汰舊換新 tàijiùhuànxīn to replace the old with the new To discard or phase out what is old and replace it with something new.