心理学的方法必须严格控制。
The method of psychology must be strictly controlled.
The true cost of plastic isn't in its production—it's in its afterlife.
故事是一种表达无法用其他方式表达的东西的方式。
Coal miners don't just dig in the dirt, they dig for progress.
历史的重量总是存在于我们使用的材料中。