I think Ben Franklin included this in his Almanac.

来源: 7grizzly 于 2023-08-31 07:02:17 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: 1st time hearing it, commonsense though 由 移花接木 于 2023-08-30 14:54:51
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