词汇“discretionary costs”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	discretionary costs
释义	见:cost: discretionary costs
随便看	retraction jack retraction modulus retraction morphism retraction speed retractive retractively retractiveness retract limit switch retractor retractor actuator retractor collar retrad retraining program(me) retral retrally retransfer retransform retranslator satellite retransmission retransmit retransmitter retransmitting station retransposing retread retreadability

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