1.Life if peeled off ideal, dream of, imagination, that life then just a heap of empty shelf.
生活若剥去了理想、梦想、幻想，那生命便只是一堆空架子。
2.That kind of activity can't go on forever (can't reduce an empty shelf or spend less than zero).
这样的活动不会没完没了（空货架无法再清空，零支出怎能再削减）。
3.somewhere, keep an entirely empty shelf or drawer.
至少保留一层书架或抽屉是空的；
4.Keep an empty shelf, and keep a junk drawer.
清空摆放架；用一个抽屉装杂物。