(of an activity or a problem to be considered) isolated from the context normal to it and in which it can best be understood or assessed(需考虑的活动,问题)似在真空中;脱离现实
柯林斯高阶英汉双解学习词典释义
N-COUNT
空位;空缺;空白
If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.