一边是更更严格的对各国的财政约束；
One prong is to impose far greater fiscal discipline on countries;
即使这些条件在实践中都难以实现，但有财政约束往往总比没有任何规则要好。
Even if these conditions are hard to meet in practice, fiscal constraints are often more useful than no rules at all.
财政约束主要表现在财政支出约束、财政收入约束和预算原则约束等几个方面。
Fiscal constraint includes government expenditure control, government revenue control and budget principle control etc.
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