You are given a sentence in Persian. Your job is to translate the Farsi sentence into English.
Q: و این یکی این یکی در طول مدت زندگی یک نفر این کار را می کند
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
And this one, this one goes around in a human lifetime.