Liffe
abbr. 伦敦国际金融期货交易所（London International Financial Futures and Options Exchange）
🗣️ 情景例句
About forty minutes, I think.
我想大约40分钟。
To walk away
走开
Class 3 and Class 1 were in front!
他们两人同时传出接力棒。这时3班和1班在前边！