,etc.=1.表示“同等”概念:means,thatistosay,inotherwords,thesameas,beequalto,etc.2.表示“对手”概念:amatch,petitor,counterpart,etc.()表示“在......之间”:among,within,etc.≠1.表示“不同”概念:bedifferentfrom,etc.2.表示“无敌”概念:matchless,peerless,etc.~表示“大约”概念:about/around,orso,approximately,etc./表示“否定”,“消除”等概念:crossout,eliminate,etc. APT accountantACDG accordingACPT acceptAD advertisementADS addressADV adviseAMAP as much as possibleAMT amountAPV approveASAP as soon as possibleBAL eBLDG buildingCERT certificateCFM CL F conferenceCMI commissionCMPL completeCMPE competeCMU communicationCONC concernCOND conditionCO. company DEPT departmentDISC discountDRT departureEXCH exchangeEXPLN explainEXT extent