今日考研英语长难句解析：The complexity of the problem is compounded by the fact that it is not only the physical environment that we are altering, but also the social and economic fabric of society itself.
解析：本句的主干为"The complexity of the problem is compounded by the fact"。其中，“The complexity of the problem”为主语，意为“问题的复杂性”；“is compounded by”为谓语，意为“被加剧”；“the fact”为宾语从句的主语，意为“这个事实”；“that we are altering”为宾语从句的谓语和宾语，意为“我们在改变”；“not only...but also...”为并列连词，意为“不仅……而且……”。整个句子意为：“这个问题的复杂性因我们不仅正在改变物理环境，而且也在改变社会的经济结构而加剧。”
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