Tom küveti sıcak su ile doldurdu.
- Tom filled the bathtub with hot water.
Biri onu küvette boğmuştu.
- Somebody had drowned her in the bathtub.
... out corresponds to death. And the level of the bathtub corresponds to the total population ...
... come in per minute is less than the amount being drained out, the level in the bathtub ...