做了20年物业维修工，每天帮居民解决生活问题，很有满足感，看到他们满意地在单子上签字就觉得挺有意义。

For 20 years, every day to help residents property maintenance technician to solve problems, very satisfying life, to see their satisfaction to on the list to sign it feel pretty significant.

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如果他们觉得满意，那么他们就给你颁发认证。

If they are satisfied, they say "ok, you're certified."

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