Any element that occurs is generally echoed, often with some variation to keep interest.

所出现的任何元素都相互呼应，往往还伴有一些变化来保持趣味性。

youdao

Any element that occurs is generally echoed, often with some variation to keep interest.

所出现的任何元素都相互呼应，往往还伴有一些变化来保持趣味性。

youdao