| 1 | Running water is never stale and a door-hinge never gets worm-eaten. | |
| 2 | As the saying goes: people live, and nephish, and nephish, tree death, running water does, not holcocerus. | |
| 3 | "Running water is never stale and a door-hinge is never worm-eaten" means that constant motion prevents the inroads of germs and other organisms. | |
| 4 | As the saying goes, "do not go down, farmers paid not bookworm, " and if the " greenest residential, " not artificial river without water management, As time went often become stagnant water. |