In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.
宇宙是能量和物质的交响曲,在最大的尺度上演奏。
The dairy industry must balance tradition with innovation to meet modern demands.
The concept of consciousness adds nothing to the explanation of behavior.
温格不同意亚历克斯-弗格森爵士关于曼联仍是英国最佳球队的说法
美德只能在平等中繁荣。