更新换代
Traditional form:
更新換代
Pinyin (reading):
gēngxīnhuàndài
Definitions:
- reform and renewal
- generational change
Characters:
- 更 - more, further; to shift, to alternate; to modify
- 新 - new, recent, fresh, modern
- 换 - to change; to exchange, to swap, to trade
- 代 - era, generation; to substitute for, to replace
Traditional characters: