Creating rural jobs is on everyone's to-do list, from the government to the U-N to aid groups.

VOA: standard.2010.03.30

Having done that, it goes back up and picks the second sub-list, which came from there. It's a down to base case, merges it.

就是从那里得来的,完成这些后,回到上一步。

麻省理工公开课 - 计算机科学及编程导论课程节选