Prompt:

Over time, it became a metaphor for informal but effective methods. While not exact, rules of thumb are valuable for decision-making in everyday life. 3d, unrealistic. --ar 9:16 --v 6.1

随着时间的推移，它成为了一种非正式但有效方法的隐喻。虽然并不精确，但经验法则在日常生活中的决策中是非常有价值的。