相關(guān)單詞近義詞 fellowship 友誼, mutual benefit 互惠互利, mutuality 相互關(guān)系, exchange 交換, trade 貿(mào)易, trade-off (對(duì)不能同時(shí)兼顧的因素)..., interchange 交換, switch 轉(zhuǎn)換, reciprocality reciprocal的名...臨近詞REC, recopy 返回 reciprocities