We can no longer afford to consider water a virtually free resource of which we can use as much as we like in any way we want.
我们不能再认为水是一种我们可以以任何我们想要的方式使用的几乎免费的资源。
2
There are freewater stations throughout the venue for people to fill up their travel cups.
场地各处均设有免费供水点，方便大家结满水杯。
3
A massive oak claims its ground for 200 years or more, outcompeting all other would-be canopy trees by casting a dense shade and drawing up any freewater in the soil.