Mental activity is the organism's dialogue with its environment.
电影是一种语言，它能够跨越国界，传递情感和思想。
我不认为自己是一个照相写实主义者。我认为自己是一个现实主义画家。
But I miss you, Jenny. If there's anything you need... I won't be far away.
Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics: