There comes a time when children need to know more than the basic facts of life.是时候孩子们了解更多性知识了。He had a heart-to-heart with his son about the facts of life.他就性知识跟儿子进行了一次坦诚的交谈。He explained the facts of life to his son.他向儿子讲解性知识。People buy sex manuals for titillation.人们购买性知识手册是为了寻求性刺激。