And that does not even include people forced to work in the sex industry.

VOA: special.2009.06.08

I've done a great deal of work on love and sex, and now have written at least eight books.

我大量研究爱情与性爱，到现在写了至少八本书了。

麻省理工公开课 - 电影哲学课程节选

that's not in the sex trade." Kingsley says the help she received has enabled her to work toward the future, and that having her own apartment makes a huge difference in rebuilding her life.

VOA: standard.2010.02.23

One is that, in most places, sex work is illegal, and almost everywhere frowned upon.

ECONOMIST: Banyan

Resourceful traffickers, madams and pimps responded by pushing low-end sex work underground and infiltrating more up-market hotels, casinos and bars.

ECONOMIST: Ethnic discrimination fuels a vile trade

"Everyone needs food, those are basic needs and the unemployment rate is quite high so sex work for most people is a livelihood you know".

CNN: Sex worker: I sleep with five men a day just to eat