| 1 | We should try our best to avoid wasting food. | |
| 2 | We should try to minimize resource waste as much as possible. | |
| 3 | We should try to avoid wasting water resources. | |
| 4 | We should try our best to reduce waste and protect the environment. | |
| 5 | Smoking is harmful for one's health and should be avoided as much as possible. |