Sexual ideas的用法和樣例：
例句
- Contrasting with the openness about sex is a lack of sexual knowledge.
與開放的性觀念形成鮮明對比的是，學生們所掌握的性知識非常貧乏。 - Segregated schools sometimes provide the right conditions for sexual deviation, which is hardly possible under a co-educational system.
男女分校有時為畸形的性觀念的形成提供了溫床，而這種情況幾乎難以在男女同校的環境中發生。
