Je was op zoek naar: 要移除一个背景并替换成其它背景 (Chinees (Vereenvoudigd) - Engels)

要使用不同风格的背景，请单击背景图像上方的风格名称链接。要移除一个背景并替换成其它背景，只需将要采用的新背景拖放到挂历页上即可。 要选择一个新的背景主题，请单击页面顶部的"主题"图标。
drag and drop the backgrounds you want to use onto your pages. to use backgrounds from a different style, click on the style name link just above the background images. to remove a page background and replace it with another, just drag and drop the new background you want to use onto the page.

替换前景色图像素为背景色
replaces pixels of the foreground color with the background color