The importance of the plan needs no further elaboration.
这个计划的重要性无须赘述。
《牛津词典》
2
After the homework has been discussed, the teacher explains the topic of the lesson, slowly and with a lot of repetition and elaboration.
"讨论完作业之后,教师会缓慢地、反复精细地讲解这节课的主题。
3
The development of an understanding of the self becomes evident between the first and second years of life and shows rapid elaboration in subsequent years.