英语表达
Traditional manual tagging methods, usually performed by domain experts, are time-consuming and subject to individual biases.
- "time-consuming" – 高频学术形容词，描述缺点。
- "subject to..." –表示“易受...影响”（后接名词/名词短语）。
- "individual biases" – 学术常用术语，指“个人主观偏差”。
"______ methods, usually ______, are ______ and subject to ______." （用于描述传统方法的局限性）
Research on automatic tagging technology is of substantial practical importance.
- "be of + 抽象名词"（= very important）是学术英语经典结构。
- "substantial practical importance" – 强调实际价值（比"very important"更正式）。
"Research on ______ is of substantial ______ importance." （适用于强调某领域的研究价值）
Research into automatic tagging of knowledge concepts holds considerable practical significance.
"Research into ______ holds considerable ______ significance for ______." （适用于强调研究价值的正式结论）
Although large language models (LLMs) have also been explored for this purpose, their generative nature and high computational cost pose challenges for direct application in tutoring systems.
"Although ______ have been explored for ______, their ______ and ______ pose challenges for ______." （用于对比现有方法的不足）
Our experimental evaluation on four datasets demonstrates that our model outperforms state-of-the-art methods.
"Our evaluation on ______ demonstrates that ______ outperforms state-of-the-art methods in ______." （用于总结实验结果的优势）