打字机要是敲得有感情，并不比你的姐妹或者亲戚弹奏钢琴来的扰人。
The typewriting machine, when played with expression, is not more annoying than the piano when played by a sister or near relations.
Machine learning is the science of getting computers to act without being explicitly programmed.
言语有治愈伤口的力量，也有加深伤口的可能；作家必须明智地选择。
The more time I spent on maths, the more excited I got.
