《论衡·卷十七·治期篇》
丰收歉收有一定的年头，价高价低有一定的时数。
丰耗有岁，贵贱有时。
Good harvests and poor harvests have certain years, and high and low prices have certain numbers.
<s>[INST] Translate the following Classical Chinese text into English: 丰耗有岁，贵贱有时。 [/INST] Good harvests and poor harvests have certain years, and high and low prices have certain numbers.</s>
Translate the following Classical Chinese text into English: 丰耗有岁，贵贱有时。
user
Good harvests and poor harvests have certain years, and high and low prices have certain numbers.
assistant