Each object that you place in your document is successively stacked on the preceding object. Use the arrange commands to change the stacking order of objects in your document. You cannot change the stacking order of text.
文档中插入的每个对象都与前一个对象重叠。使用排列命令可以修改文档中对象的堆叠顺序，但不能修改文字的堆叠顺序。