The only real freedom is the freedom to be yourself.
地理学的研究是对地球作为人类居住地的研究。
当被介绍给某人时，要有眼神接触并数到4，你们都会记住对方。
生命是一种通过性传播的致命疾病。
Every case is a story, and every story has a beginning, a middle, and an end.
In the world of cryptography, the only secure system is the one that is never connected to any network.
The only limits that exist are the ones in your mind.
Mindfulness meditation can strengthen attentional control by training the brain to focus and resist distraction.