n.空白；空虚；单调
The blankness of deep sleep is due entirely to the lack of specific memories. 熟睡的空白完全是因为缺乏个别的记忆。
She thought the deliberate blankness between the lines represented the things that David was reluctant to tell her. 她认为行间故意留下的空白代表大卫难以启齿告诉她的事情。
