原文：Additional money easing was intended to prevent the injection of public funds into HSBC Holdings PLC from causing uncertainties over the financial system before it was too late.
译文：额外的货币宽松政策旨在防止向汇丰控股有限公司注入公共资金，以免在金融体系出现不确定性之前为时已晚。

原文：Additional money easing was intended to prevent the injection of public funds into HSBC Holdings PLC from causing uncertainties over the financial system before it was too late.
译文：额外的货币宽松政策旨在防止向汇丰控股有限公司注入公共资金，以免在金融体系出现不确定性之前为时已晚。

修改：附加的货币宽松政策旨在及时防止公共资金注入汇丰控股有限公司，以免造成金融体系动荡不安的局面。