The traditional argument for the cause of deindustrialization is competition from low-wage labor in developing countries.

传统上对于造成「去业化」（deindustrialization）原因看法，多认为是来自开发中国家廉价。

A. indicate that Chicago has come through deindustrialization and appeared as a competitive economic entity in the nation.

表明芝加哥已经经历住了业化萧条时代考验，并作为一个强有力经济实体崛起在美国。