The age of 30, when Chinese are traditionally expected to have established themselves in their careers, is about the time when many entrepreneurs start their first businesses. Consequently, those of the "1970s generation" --now between 26 and 35--are in their peak years for becoming entrepreneurs.
三十而立，30 歲前後是許多創業家第一次創業的年齡，此刻在 26 歲到 35 歲之間的「六年級生」，剛好處於開創企業的高峰期。