| 1 | It's not too late to change one's decision. | |
| 2 | Can we still catch the train? | |
| 3 | This problem needs to be concluded through in-depth analysis. | |
| 4 | Let's hurry up and leave, we still have time to avoid the next rainy season. | |
| 5 | The cold air came quickly and the hot weather cooled down. |