A．regulate the supply of goods and the demand of services
B．compare the difference between goods and services
C．manage the balance between demand and supply
D．make economic plans in highly developed societies
A．rise slower than those of high service-content services
B．turn out to be the lowest in the whole society
C．lack competitiveness with prices of services
D．exclude individual satisfaction and comfort
A．They remain their usual attitude to the comparison.
B．They are not satisfied with the result of comparison.
C．The contrast will definitely lead to strikes among workers.
D．The contrast makes up the main issue in western politics.