Behind closed doors

There is a college town in suburban Nanjing, called Xianlin. Like most college towns across the nation, residents rent out apartments to students who want to get away from their dorm lives and enjoy some privacy. A unit goes for 30-100 yuan a day, varying according to demand. A student may patronize such a place to focus on his or her study or to have an intimate moment with a date.

In late February, someone in Xianlin posted a notice, titled "A letter to college students who rent rooms with dates", and it went like this:

"For a flash of pleasure, you have failed the expectations of your parents and teachers, and have failed to live up to be role models. You have passionate kisses by the roadside, in buses; you walk hand in hand into this neighborhood. Here's my advice to you: