What can be done to stop drug trafficking?

What should be done to stop young people from smoking? what to be done What can be done to reduce air pullution? What can be done to help the endangered wild animals? Bill Gates has only done what he can to stop other competito 英语翻译drug trafficking faminegloal warminggovernment corruptio what is to be done? What\'s to be done? What is done can not be ______________ What's done can not be undone. what is done can't be undone What can be done to help people with eye problems?They can b