| 1 | It is our bounden duty to help the disabled. | |
| 2 | It is incumbent upon the global community to act now. | |
| 3 | I think it's incumbent upon us to support him. | |
| 4 | China's constitution stipulates that grown-up children are duty-bound to support their parents. | |
| 5 | It is therefore incumbent on rich nations to help poorer ones to adapt to the changes ahead, " he added. |