As a key component of the RMB4~trillion ($ 630~billion) stimulus package introduced during the 2008 - 2009 global financial crisis, investment in high - speed - rail construction increased by leaps and bounds.
As a key component of the RMB4~trillion ($ 630~billion) stimulus package introduced during the 2008 - 2009 global financial crisis, investment in high - speed - rail construction increased with startlingly rapid progress.