At that time, city economy thrived and became the important pillar of Roman empire prosperity.
At that time, city economy thrived and became the important pillar of Roman empire prosperity.
当时，城市经济非常活跃，成为罗马帝国经济繁荣的重要支柱。
At that time, city economy thrived and became the important pillar of Roman empire prosperity.
当时，城市经济非常活跃，成为罗马帝国经济繁荣的重要支柱。