Question

APEX

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APEX / ˈepɛks ; ˈeɪpeks /
◙adj
1. APEX tickets for planes or trains are cheaper than normal ones, and have to be bought several days before you travel
• 〔飞机票、火车票〕预购优惠的:
 »The APEX fare is ￡222 return.
  预购来回票优惠价是 222 英镑。
♦APEXnoun [C]
 »I managed to get an APEX for less than ￡100.
  我花了不到 100 英镑就买到一张预购优惠票。