I was a first year student and happily minding my own business, getting ready to try to pick a summer job.

我当时是一年级，只关心自己的小生活，想好好准备暑假打个工。

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That is to say, the three parts of the cities, workers, auxiliaries, guardians, each of them all work together and each by minding their own business, that is doing their own job, out of this a certain kind of peace and harmony will prevail.

也就是说，城市的三个部份，工人，后备军人及守护者，每人都紧密合作,且各司其职，只管他们自己的事，在此以外,特定的和平及和谐将照管一切。

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