形容词
中文翻译：复杂的
同义词：
['complicated', 'intricate', "multifaceted例句：1. The problem is so complex that it's hard to solve.（这个问题太复杂了，很难解决。）"]
例句：
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1. The problem is so complex that it's hard to solve.
这个问题太复杂了，很难解决。
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2. The design of the new building is complex and requires careful planning.
新建筑的设计复杂，需要仔细规划。
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3.The company's financial statements are complex and require a deep understanding of accounting principles.
公司的财务报表复杂，需要深入理解会计原则。