We must make good use of the available space.
我们必须充分利用现有空间。
It is quite possible that space and time are finite.
很有可能空间和时间是有限的。
We lead the way in space technology.
我们在航天技术方面处于领先地位。
I've got my own room so I'm well off.
我有自己的房间，所以还不错。
Do you want a room with a bath or one without?
你要不要带洗澡间的房间？
There's room for three people in the back.
后排有可容三人的空位。
