Be familiar with the shortest escape route from your work station. Identify alternate escape route. Familiarise yourself with the general layout of your office building.
知道离工作站最近的逃生路线。发现其它的逃生路线。熟悉整个办公大楼的总体布置。
2
The following code demonstrates an (ugly) custom screen layout. It has a list with a green background, and an alternate red "no data" message.