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无人机的安全性不是选项,而是底线。
不重视自己的人,也无法重视任何事物或任何人。
Ocean conservation isn't about limiting development, but enabling longer-term development.
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.
你必须熬过一些糟糕的日子才能赢得人生中最美好的日子