I've done similar jobs using Amazon's Mechanical Turk and I find the best way to do it is to have multiple people work on the project and then have a local pers

I've done similar jobs using Amazon's Mechanical Turk and I find the best way to do it is to have multiple people work on the project and then have a local person compare the output and decide on which translation to accept. It's seriously inefficient but as the article states there's a huge price advantage to outsourcing which makes it possible to have several different people do a job and still save a significant amount of money