| 1 | They have planned a tight schedule of travel. | |
| 2 | A tight schedule means we can't delay any longer. | |
| 3 | The ideal city of the future offers a very compact, concise lifestyle. | |
| 4 | That is this rewritten in a much more compact notation because you have the value of this. | |
| 5 | In reality, when transporting anything from Earth to Mars, it needs to be as compact as possible. |
