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Meaning of 河水不犯井水

Lookup via: Pinyin | Radicals
shuǐ fàn jǐng shuǐ
lit. river water does not interfere with well water (idiom); Do not interfere with one another.; Mind your own business.
Example Sentences
1
The difference in mate preference could eventually lead to two distinct species, as in Costa Rica, with yellow and white butterflies that no longer interbreed.