我们讨论东汉洛阳地方的经济生活和文化历史时，不应当忽略与此有关的生态环境的背景。
On discussing the economic life and cultural history of Luoyang in the Eastern Han Dynasty, we should attach an importance to its ecological and environmental background.
我们讨论东汉洛阳地方的经济生活和文化历史时，不应当忽略与此有关的生态环境的背景。
On discussing the economic life and cultural history of Luoyang in the Eastern Han Dynasty, we should attach an importance to its ecological and environmental background.
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