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

Cano gave the company line when asked about his contract-year status, answering nearly every contract-related question tossed his way with some variation of the "I'm not thinking about it" response.

WSJ: This Is the Year of Robinson Cano

For now, Mr. Schwarzenegger seems to revel in his ability to slip in and out of a variety of different arenas, always with his some variation of his signature "Terminator" line at the ready.

WSJ: Arnold Schwarzenegger: A Career Not Yet Terminated

The lab number is just an estimate, it's subject to some normal variation and it naturally declines with age.

FORBES: Medical Tests