培育未来，从教育基础开始。69高清视频在线观看

　　"The ABC of Sex Education for Trainables is a 1975 short film created by Planned Parenthood of Southeastern Pennsylvania and hosted by Richard Dix. It was intended to inform people about the need to educate the mentally disabled ("trainables," as they are referred to in the film) about sex. Reflecting the views of the time, the film explains that "trainables" cannot learn in th... (展开全部)