共同体是人类身份的直接、即时和全面的对抗。
要善于利用信息和研究来做出明智的投资决策。
Sustainability isn't an option; it's a responsibility we owe to future generations.
心灵需要书本，就像一把剑需要磨刀石。
The ultimate goal of machine learning is to make computers learn from experience and improve their performance over time.
A play is not an essay, nor should it be made into one.