苏姗家院子里的小井有着取之不尽的水，再干旱的季节都不会干涸。
In Susan's courtyard, the little well is a widow's cruse, which never dries, even in the severe season of drought.
今天面临的水危机给我们敲响了警钟：我们必须节约每一滴水，因为水资源不是取之不尽，用之不竭的。
The water crisis facing us today sounds the alarm for us that we must economize on every drop of water, for the water resources are not inexhaustible.
也许对于我们来说，水、电、食物这些资源是取之不尽的，但是，你可否想过：在地球的另一方，有人因缺水而死亡，因饥饿而失去生命。
Perhaps for us, water, electricity, food, these resources are inexhaustible, but, you may want to: on the other side of the earth, people died for lack of water, lost their lives because of hunger.
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