no-man's-land
/ˈnəʊmænzlænd/noun
mass noun
1- disputed ground between the front lines or trenches of two opposing armies（战场上双方战壕之间的）无人地带, 真空地带：
enemy soldiers facing you across no-man's-land
隔着无人地带面对着你的敌军士兵
figurative 〈喻〉that nutritional no-man's-land between lunch and dinner.
中餐和晚餐之间的那个营养真空时段。
1.1
- count noun a piece of unowned land or wasteland无主土地; 荒地。
词源
Middle English: originally the name of a plot of ground lying outside the north wall of the city of London, the site of a place of execution.