更新换代 gēng xīn huàn dài

DEFINITIONS

  1. reform and renewal
  2. generational change

CHARACTERS

更 gēng
HSK 3
more, still further, much more
新 xīn
HSK 2
new, recent, fresh, modern
换 huàn
HSK 3
change
代 dài
HSK 5
replace, replacement (of person or generation); era, generation