Cities were built on the back of technology, with electricity in homes and hospitals helping everyone to lead healthier, more convenient lives.

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。

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Cities were built on the back of technology, with electricity in homes and hospitals helping everyone to lead healthier, more convenient lives.

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。

youdao