Minimize the amount of water your toilet uses with each flush by putting a plastic bottle (a large pop bottle will do fine) filled with sand or gravel in the toilet tank.
想减少冲马桶时的用水量，你可以把一个装满沙子或小石子的塑料瓶（汽水瓶也可以），放在水箱里。
2
After the toilet bowl is filled with with some flush water, release the flush water valve.