Now that I have been studying at DMM, I feel like travelling to different countries.
Since I started studying English at DMM, I have become much more interested in visiting lots of different countries.
ーNow that I have been studying at DMM, I feel like travelling to different countries.
「DMMで勉強してきた今、いろんな国に旅行したい気分です」
to travel to different countries で「いろんな国に旅行する」
ーSince I started studying English at DMM, I have become much more interested in visiting lots of different countries.
「DMMで英語を勉強し始めて以来、たくさんの国を訪れたいと思うようになった」
to become much more interested in ... で「…にもっと興味を持つようになる・もっと〜したくなる」
ご参考まで！
カナダ 
