图书馆使用工具栏也有提高业务的目的。

Libraries also use toolbars for promotional purposes.

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你也可以通过使用工具栏上的导航按钮来操作浏览图。

You can also navigate through Browse diagrams by using the navigation buttons on the toolbar.

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他可以使用工具栏中的向左或向右箭头来访问演示的不同页面。

He can use the the left and right arrows in the toolbar to navigate through the pages of the presentation.

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Simply by clicking that link you can then log into your account; and then on the left hand side what appears is a little menu of all of your friends who are also using this tool and you can select any one of them and actually see what that person is shopping.

只需轻点鼠标便可进入自己的账户;,页面的左边有一个菜单栏,其中是你所有也在使用这个工具的朋友,你可以选中其中一个,查看ta所选择的课程。

哈佛公开课 - 计算机科学课程节选