1) by 表示“凭,靠”: by skill 凭技术 pay by cash 凭现金支付 by appointment 凭预约 learn by rote 死记硬背 teach by example 以身作则 by invitation 凭请柬 by air 乘坐飞机 by hand 手工 by intuition 凭直觉 by analysis 凭分析 by all means 用尽一切办法 by no means 决不,根本不 by means of 用,依靠 by way of 通过…的方法 by contrast 对比之下 by force 靠武力;凭藉暴力; by road 乘坐汽车,由公路 by one’s estimate 根据某人的估计 2) by表示“ 就……而言,按”: by birth 按出身 by profession 按职业来说 by trade 按职业来说 by nature 生来 by blood 按血统 by origin 就来源而言 by night/day 夜间/白天 3) by表示“因……所致,由于”: by chance 偶然,碰巧 by accident 偶然,碰巧 by mistake 由于错误 by luck 由于运气好 by design 由于谋划 by good fortune 由于运气好 by reason of 由于 by virtue of 由于,借助 by necessity 必然地,不可避免地
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