However, for more complex images, such as the background for the sidebar, we use images purposely made larger than their default display area and position them appropriately.
但是对于更复杂的图像，比如边栏的背景，我们有意地使用比默认显示区域大的图像并适当地进行定位。
By default Photoshop use grey for the workspace background color. You can change that by.
默认情况下，Photoshop的工作区背景颜色是灰色的。
By default, the slides use the background color that is set in the corresponding master slides.
默认情况下，幻灯片使用的背景色是在相应的主幻灯片中设置的。
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