| 1 | Setting your computer to sleep mode can save electricity very effectively. | |
| 2 | Turning off lights when leaving a room helps to save energy. | |
| 3 | In order to save time, we chose to travel on the expressway. | |
| 4 | The customer used a coupon to save money on their purchase. | |
| 5 | I hung the hanger on the wall, saving space on the floor. |