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Innovation in cement production must balance efficiency with environmental responsibility.
互联网是一个网络的网络,由互操作性原则管理。
妈妈必须同时喂养孩子的身体和精神,且精神上的需求更重于身体的需要。
He had a way of looking at her that made her feel like the only person in the room.
每本书都是一次旅程,每次旅程都是一本书。
The growth of employees is the growth of the enterprise; we must create development opportunities for them.