Sexual ideas的用法和样例：
例句
- Contrasting with the openness about sex is a lack of sexual knowledge.
与开放的性观念形成鲜明对比的是，学生们所掌握的性知识非常贫乏。 - Segregated schools sometimes provide the right conditions for sexual deviation, which is hardly possible under a co-educational system.
男女分校有时为畸形的性观念的形成提供了温床，而这种情况几乎难以在男女同校的环境中发生。
