1.  I don't approve of it, for I think these contests will make ordinary-looking people feel dissatisfied with their looking.

2.  I don't approve of it, for I think many of these contests are supported by the beauty industry, whose purpose is to have us buy more cosmetics.

3.  I don't approve of it , for I think these contests will let people pay too much attention to their looks, so people will risk losing their lives to do plastic surgery in hope that they may look nice after it.