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可持续发展不再是可选项;对于任何负责任的矿业公司来说都是必需品。
Sustainability isn't an option anymore; it's a necessity for any responsible mining company.
Every character has a world inside them, if you look closely enough.
Success requires persistence, the ability to not give up in the face of failure, and to learn from that failure.
The core of drones is not how high they fly, but how well they are used.