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n.真社会制度；真社会性
1、They do not prove that monogamy predisposes species towards eusociality.───他们没有证明一夫一妻制会使物种趋向群居。
2、Close kinship was not the source of insect eusociality but simply a byproduct, Wilson argued.───紧密的堂亲属关系只是群居昆虫的副产品而不是主要原因，威尔森这样分辨到。