Yes, it's true. We're basically meat bags filled with water. We take a look at how much water we really need to stay healthy (at least according to current theory) and how if you feel hungry, you may actually just be thirsty.

是的，没错。我们本质上就是装满水的肉袋。我们来探讨一下我们到底需要多少水才能保持健康（至少根据目前的理论），以及如果你感到饿，可能实际上只是渴了。