Cambodia Wants China's Help to Stop Sex Trafficking

restrict - v. to limit; to prevent from increasing or becoming larger

visa - n. the official permission given to a person to enter a country where he  or she is not a citizen

trick - v. to cheat; to fool a person so as to get something or make him or her do something

escape - v. to get free; to get away from; to get out of

persuade - v. to cause someone to do something  by explaining or urging