Small wonder that the ancient Chinese, who relied on the heavens for their sustenance, were so eager to learn tomorrow's precipitation and temperature. They had no meteorological observatories nor satellite cloud photography, but they needed to decide how they would proceed with their cultivation.
這也難怪，靠天吃飯的先民，沒有氣象觀測站，沒有衛星雲圖，卻比現代人更迫切需要知道明天的晴雨寒暖，以決定要如何進行農事。