表达 “back to the drawing board” 的意思是 “正在进行中的项目或采用的计划失败了，要重新开始、从头再来，才能让事情成功”。 例句 I’m sorry, but this idea just won’t work. We need to go back to the drawing board. 不好意思，这个主意行不通。我们得重新开始。 After several ...

Please explain “going back to the drawing board” in this sentence: “The Department of Education and four nonprofit partners are going back to the drawing board in search of ways to keep rural children ...