Before revision:  The state adjacent to the critical state  may serve as an indicator or a "precursor" for the critical state (market crash) and this novel method of identifying the long-term precursors may be very helpful for constructing the early warning system in financial markets, as well as in other complex systems.
After revision:  The state adjacent to the critical state (market crash) may serve as an indicator or a "precursor" for the critical state (market crash) and this novel method of identifying the long-term precursors may be very helpful for constructing the early warning system in financial markets, as well as in other complex systems.