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。
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.
除非你重新使用默认的“galactic zoom”桌面背景，这里更新了，一款刚启动的Mac运行雪豹和运行豹外观相同。
Unless you're using the default "galactic zoom" desktop background, which has had a facelift, a freshly booted Mac running Snow Leopard will look identical to one running Leopard.
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。
By default, the slides use the background color that is set in the corresponding master slides.
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