translation.en: Over a quarter of a million were taught about family planning with a new alphabet -- A, B for birth, C for condom, I for IUD, V for vasectomy.
translation.zh: 超过二十五万人在学校学习与计划生育有关的新字母表 A，B是birth，C是condom（安全套）， I是 IUD ， V是 vasectomy（输精管结扎术）.