Amy plans to return to her career after her two children are in college.

爱美计划在两个孩子念大学后重回事业岗位。

return to (something) 回到；回归〈某地；状态〉

解说：return 是「回去；回复」的意思，可指回到某地点，或是回复到某种状态的意思。