"The middle-class, white-collar population has more ability to act and to band together, so they are always used as an indicator of a city's development." Wang Ming-shen says that looking at most cities 'experience of development, it reflects the quality of the social, political, literary and artistic environments. These factors most likely affect a city's ability to continuously develop.
「白領中產人口比較具有動力及凝聚力，所以他們往往被當成都市發展的指標」，汪明生指出，根據大多數都市發展的經驗來看，他們也反映都會區的社會、政治、文教、藝術等方面的環境品質現況，而這可能影響到都市能否永續發展。