| 1 | A grassland; a meadow. | |
| 2 | Masais are nomads who travel all over with their animals, looking for pasture. | |
| 3 | But using marginal land for grazing is not as simple as it might sound. | |
| 4 | The influence and inspiration of International Grassland Congress and International Rangeland Congress on Chinese grassland science. | |
| 5 | Firstly, through the "tragedy of the public rangelands, " lead to Topic: Responding to strengthen the protection of public welfare. |