日新月异 rìxīn-yuèyì daily renewal, monthly change (idiom)
daily renewal, monthly change (idiom); every day sees new developments; rapid progress
How to remember 日新月异: 日 sun + 新 new + 月 moon + 异 different = daily renewal, monthly change (idiom).
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How it is used
- Idiom: changing rapidly for the better - 'new by the day, different by the month': 科技日新月异 (kējì rìxīn-yuèyì) technology advances by leaps and bounds.
- Positive, about swift progress and development. Classic for describing tech, cities, and modernization.