求翻译：In any case, I don't think it is true that the programming languages are so difficult to learn. For example, every first-year university biology textbook contains more details and deeper theory than even an expert-level programming-language book. Most applications involve standards, operating systems, libraries, and tools that far exceed modern programming languages in complexity. What is difficult is the appreciation of the underlying techniques and their application to real-world problems. Obviously, most current languages have many parts that are unnecessarily complex, but the degree of those complexities compared to some ideal minimum is often exaggerated.是什么意思？

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