我们必须平衡能源需求与保护地球的责任。
We must balance the need for energy with the responsibility to protect our planet.
The past is a shadow that follows us, always present, always influencing our steps.
The separation of law and morals is a necessary feature of a legal system.
学习的每一个方面或智能的任何其他特征都可以原则上被精确描述，以至于可以制造一台机器来模拟它。
