结构复杂的难懂的难解的主要用来强调结构复杂而使理解或做事产生困难例如
Complex structure, difficult to understand, and hard to solve are mainly used to emphasize the complexity of the structure that makes understanding or doing things difficult, for example
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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