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Do not feel absolutely certain of anything.
切勿认为任何事物是绝对确定的。
We must listen to and engage with local communities to understand their needs and concerns.
有时最简单的旋律反而最有力量。
林业的未来是循环的,而不是线性的。
The deterioration of every government begins with the decay of the principles on which it was founded.
无人机的未来是智能、协同和自主的。