（对）提前结束（的）任择权的英文

eto(early termination option)

• 对:    answer; reply
• 提前:    shift to an earlie ...
• 结束:    finish; closure; f ...
• 的:    4次方是 The fourth po ...
• 任:    appoint
• 择:    select; pick; choo ...
• 权:    counterpoise; weig ...