4月4日，日本央行宣布采取量化和质化货币宽松政策。
On April 4 , the Bank of Japan announced the launch of quantitative and qualitative easing .
此外，日本央行还表示，只要有必要，就将继续实施量化和质化货币宽松。
Furthermore , says the BoJ , it will continue with the quantitative and qualitative monetary easing . . . as long as it is necessary .
质化宽松