unlessKK [əˋnlɛs] /əˈnlɛs/連接詞1除非、否則We will cancel the picnic unless the weather improves by Friday.除非天氣在星期五前轉好,否則我們就取消野餐。2除非、要不是用於補充例外情況I'll meet you at seven, unless you'd rather come later.我七點跟你碰面,除非你想晚一點再來。3除非…並且直到正式;unless and untilThe contract stays in force unless and until both parties agree to end it.除非雙方同意終止,這份合約在此之前都持續有效。