But since 1980, the amount of water consumed per person has actually decreased, thanks to a range of new technologies that help to conserve water in homes and industry.
但自1980年以来，在一系列帮助家庭和工业节水的新技术应用之后，人均用水量实际上有所下降。
"Thanks to my volunteer teacher, my life has changed a lot. I will study hard and become an excellent person like her," Li Sumei, a local student, says excitedly.
“多亏了我的志愿者老师，我的生活改变了很多。我会努力学习，成为像她一样优秀的人，”当地学生李素梅兴奋地说。
Thanks to cellular technology, almost every person on Earth possess a powerful programmable alarm clock right on their cell phone.
多亏了蜂窝技术，地球上几乎每个人都可以在他们的手机上设置闹铃。
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