However, that runs counter to the thinking behind the waterfall approach: Many design teams would view modifying the design after Stage 1 as a failure of their initial design or requirements process.
Take the traditional approach with finger paints on paper or you could use things like instant pudding or shaving cream on counter tops or tables it wipes up easy!
用传统的方法画手指画，你还可以用桌台上的即时布丁或剃须膏来画，这样易于擦除！
3
Tell them to first find a mother with children or any woman and let them know they are lost. Also they can go to a check-out counter, information desk, or approach a police officer.