我们能过上如此美好的生活离不开那些科技。
水是人类生存的基本要素。人们的生活离不开水，所以将污水净化为干净的水是一项极其重要的科技进步。
Water is the essential ingredient to human survival. Since people cannot live without water, the ability to convert contaminated water to pure water is an incredibly important scientific achievement.
城市建设也离不开科技，家庭和医院都通上了电，人们的生活因此变得更健康、更便利。
Cities were built on the back of technology, with electricity in homes and hospitals helping everyone to lead healthier, more convenient lives.
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