The purpose of education is not to fill the minds of students with facts but to teach them to think.
教育的目的不是用事实填满学生的头脑，而是教会他们思考。
Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them.
The concept of legal validity is crucial for understanding the nature of law.
适应旧程序以适应新机器通常意味着适应新机器以使其表现与旧机器相似。