| 1 | The Yongding and Daqing rivers meet near Tianjin. | |
| 2 | It was triggered by a confluence of flaky rumours. | |
| 3 | It emerges from a confluence of factors, some very subtle. | |
| 4 | The wastewater is treated before it is discharged into reservoirs, rivers or lakes. | |
| 5 | Politicians use the "right" making money, black and white confluence, Living and sharing interests. |