The natural cycles and transformations, particularly referring to the alternation of day and night and the shifts in seasons.
自然界的阴阳之变，如昼夜更替、四季轮转，是生命得以延续的基础。
The natural transformations of yin and yang, such as the alternation of day and night and the rotation of the four seasons, are fundamental for the continuation of life.
Era:
Ancient
Frequency:
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