So happiness is the most popular word we have heard through the past two years. Happiness is not only related to personal experiences and personal values, but also, it's about the environment.

The study of algorithms is the study of methods for solving problems on a computer.

每个读者都是潜在的作家，每个作家都是反抗的读者。

普遍认为心理生活是一个整体，这一点可以毫无保留地接受。