模块：表达重组
触发：学术语气、学术表达、提高写作、弱动词
弱动词替换：
- 使用 → 雇用、利用、利用
- get → 获得，实现，获得
- 制作 → 构建、开发、生成
- show → 展示，说明，表明
bash
uv run python -B scripts/improve_expression.py main.tex
uv run python -B scripts/improve_expression.py main.tex --section related输出格式：
latex
% EXPRESSION (Line 23) [Severity: Minor] [Priority: P2]: Improve academic tone
% Original: We use machine learning to get better results.
% Revised: We employ machine learning to achieve superior performance.
% Rationale: Replace weak verbs with academic alternatives风格指南：style-guide.md