C285 Zhi qing return to the city

"So chaotic." It's already the beginning of the seventies, and the outside world is as chaotic as usual. Ten years is already a long time ago, why must we waste this decade? Think about how the high-tech things of modern times are changing every year, if we don't waste this decade, will the world be able to improve? It's a pity that it's still possible, but regardless of that, in this era