1·Place the left denim sole piece on to a flat surface, right side down.
将左脚牛仔布鞋底放平,正面向下。
2·Indeed, I believe that things are even worse: as long as aggregate demand remains low, we cannot even tell which pieces are right side up.
事实上,我认为情况甚至要更糟。由于总需求一直萎靡不振,我们甚至不知道哪几块拼图是正面朝上的。