虽然这些图标在桌面上不是可单击的链接，但是屏幕阅读器可以朗读出与视图中每个图标相关的号码。
While these are not clickable links on the desktop, the screen reader does speak the Numbers associated with each icon in the view.
但是，在每个用户的桌面上安装和维护这些应用程序非常耗费时间，成本很高。
Installing and maintaining these applications on each user's desktop, though, can be time-consuming and expensive.
便宜：使用模拟数据库进行测试和调试使您节省了在每个开发人员的桌面上安装DB2(比方说)的成本。
It's cheap: Using a simulated database for testing and debugging saves you the cost of putting DB2 (for example) on every developer's desktop.
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