短語詞組短語Except When Absolutely Necessary 除非必須Unless Absolutely Necessary 除非絕對必要Only when absolutely necessary 僅僅在絕對必要的時候Although Not Absolutely Necessary 雖然不絕對必要Important And Absolutely Necessary 重要和必不可少An Absolutely Necessary Step 絕對必要一步be absolutely necessary 絕對必要 返回 absolutely necessary