9 .经济学是一门研究产品和服务的生产,销售,交换和消费的社会科学.
Economics is a social science concerning research on production, sale, exchange, and consumption of products and services.

10 中国政府正努力谋求西方发达国家对其市场经济社会地位的承认.
The Chinese government is trying to seek recognition of its social status of market economy from the western developed countries. 9 .经济学是一门研究产品和服务的生产,销售,交换和消费的社会科学.
Economics is a social science concerning research on production, sale, exchange, and consumption of products and services.

10 中国政府正努力谋求西方发达国家对其市场经济社会地位的承认.
The Chinese government is trying to seek recognition of its social status of market economy from the western developed countries.