YOU SAID:

I would like to go in a trip to Mars, then be there forever.

INTO JAPANESE

私は火星に旅行に行きたいと思っています。

BACK INTO ENGLISH

I would like to travel to Mars.

INTO JAPANESE

火星に旅行に行きたいです。

BACK INTO ENGLISH

I want to travel to Mars.

INTO JAPANESE

火星に旅行したいです。

BACK INTO ENGLISH

I want to travel to Mars.