Translation of sugerencia

Since Joseph is convinced of the coming success, he suggests to leave the machine in Canada for another 2 months (at no cost of course!). I think that they learned a lot through your project.
The place I have been to is famous for its many language schools. People come from all over the world to learn Spanish and practise their language skills. I guess there are more than two hundred schools there.
We landed at the same airport were we have started our trip three weeks earlier (before continuing to Cambodia), however this time we would stay for two days in the city. We were back in SE Asia.