Item background options.

“项目背景色”选项。

youdao

When you use a selection tool, the Transparent Background and Opaque Background options appear in the option selector on the Image Editor toolbar (as seen below).

当使用选择工具时，“透明背景”和“不透明背景”选项出现在“图像编辑器”工具栏上的“选项”选择器中(如下所示)。

youdao

You can't fully manipulate the bottom layer called 'Background', so select this layer, go up to the options at the top of the Layers palette and duplicate the layer.

你无法修改最底下那个叫做“背景”的图层。所以选择它，在图层面板上部的选项菜单中复制图层。

youdao

Single photos will now be displayed full screen -- the size options and white background have been nixed for the extra real estate.

ENGADGET

Dock: Updates Stacks with a list view and folder view options, and an updated background for grid view.

ENGADGET: Apple releases OS X 10.5.2 update, tons of fixes

But KeepShot instead shows the book in the middle, photo sources on the left and three editing options on the right (layout, background and customize).

WSJ: Review of KeepShot: Hassle-Free Photo Books in One Couch Sitting