| 1 | The contract shall be binding upon the parties. | |
| 2 | This contract is binding on both parties. | |
| 3 | Self-restraint is the key to doing the system well. | |
| 4 | Human beings need to learn to exercise self-restraint and self-restriction. | |
| 5 | He strengthened his self-restraint because he needed to quit smoking. |
