添加过渡动画，当前位置导航栏，和进度条来帮助用户确定他们在何处，以及发生了什么。
Adding transition animations, breadcrumbs, and progress gauges help the user to identify where in the application they are, and what's happening.
浮动档栏往往是连在一条线上的巨大浮动沙袋，要么能够吸收石油，要么使石油向某个石油收集点聚集。
Boom most often looks like huge, floating sandbags strung together in a line, and either absorbs oil or deflects it toward a collection point.
如果您设置的推荐列表高度数少于返回的数目，将会在下拉栏中自动显示垂直滚动条。
If you set the height of the suggestion list to a number less than the number that is returned, that will automatically turn on vertical scrolling in the dropdown.
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