On outer space, it must be a strong person because there is no gravity, it's difficult to sustain life. If they want to live, that really does need a lot of money and it's going to be difficult.
Space must be strong. It's difficult because there is no gravity to life. If you really want to live there. Will require a lot of money and it is unlikely.
On the space that must be very strong. Because there is no gravity is difficult in life. If you have to live there. Must be a lot of money, and difficult.