It systematically analyzes the currency non-nationalization theory, and currency substitutiontheory as well as the law of currency competition.
系统分析了货币非国有化理论、货币替代理论以及货币竞争的法则。
2
That’s possible in theory (income effects overwhelming substitution effects), but once you put it that way it seems highly unlikely.
理论上这有可能(指收入效用大于替代效用),但是你要那样想就好像太不靠谱了。
3
Takes underground spatial the resources attribute, cannot merely regard it as "the substitution" of the ground space, the underground spatial theory and the practice are worth us earnestly studying.