| 1 | Even with the utmost efforts, there is inevitably a possibility of failure. | |
| 2 | This kind of thing inevitably involves some legal issues. | |
| 3 | Even with extensive experience, mistakes are still possible. | |
| 4 | On the road of learning, one is bound to encounter many difficulties. | |
| 5 | "We are eating our seed corn," the professor laments. |