Detailed Instructions: In this task, given a sentence in the Chinese language, your task is to convert it into the English language.
Q: 战斗有来有回，双方都无法占据明显优势。
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The action was back-and-forth, neither fighter never able to clearly dominate the other.