The best opportunities often come during market downturns.
最好的机会往往出现在市场低迷时期。
Beauty of whatever kind, in its supreme development, invariably excites the sensitive soul to tears.
The act of writing is an act of hope, a belief in the power of words to change the world.
深度学习是一种机器学习形式，它使计算机能够从经验中学习，并通过概念层次来理解世界。