Businesses need to train their workers better, and spend more on R&D.各企业需要更好地培训工人，并且在研发方面加大投入。Spending could outrun the capacity of businesses to produce the goods.消费有可能超出企业的产能。Businesses are feeling the indirect effects...
This basic utilitarian model gives a relatively unsophisticated account of human behaviour.这个实用的基础模型较为简略地解释了人类的行为。He was confiding , good - natured, unsophisticated, companionable.他为人坦率,一团和气, 世故不深, 蔼然可亲.It was music of a...