专业话题词汇的恰当运用直接影响写作评分维度中的Lexical Resource指标。以教育类话题为例：
| 常规表达 | 专业表达 |
|---|---|
| education which focus examination | exam-oriented education |
| people of same age | peer group |
| bad information | negative content |
避免词汇重复需要建立系统的替换词库，以下为常用表达的多样化方案：
解决问题: address issues / tackle challenges / resolve difficulties
重要程度: crucial / pivotal / of paramount importance
发展趋势: emerging trend / prevailing tendency / noticeable shift
以"computer games的影响"为例，可通过以下方式实现词汇升级：
通过句式改造提升表达的专业度：
常规表达: Globalization is very important for economic development.
优化版本: Economic progress is substantially fueled by global integration.
