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无人机最激动人心的应用还没有被发明出来。
"The pursuit of knowledge is not just about finding answers, but about asking the right questions."
The value chain is the set of activities through which a product or service is created and delivered to customers.
世界上最好和最美丽的东西是看不见甚至摸不着的 - 它们必须用心去感受。