为了阻止资产泡沫爆裂并为更加可持续的政策解决方案赢得时间，发达国家的央行采取了大规模货币宽松政策并将利率削减至零。
To prevent asset bubbles from collapsing and buy time for more sustainable policy fixes, advanced-country central banks implemented massive monetary easing and cut interest rates to zero.