无人机技术最大的价值在于它能到达人难以到达的地方。
Your most unhappy customers are your greatest source of learning.
我不想说陈词滥调，但我确实相信一切都有原因。
Interpretation is the revenge of the intellect upon art.
The history of every country begins in the heart of a man or a woman.
最深刻的真理存在于矛盾之中。
Behavior is determined by the total situation.
