It just means that you can continue indefinitely with no end in sight. End could come from financial problems, consumer preferences to help the environment, environmental regulations, supply chain issues, and all sorts of other things.
It's like the sustain pedal on a piano: nothing actively dampens the sound, so the sound will continue for quite a while longer than is typically required.
It's like the sustain pedal on a piano: nothing actively dampens the sound, so the sound will continue for quite a while longer than is typically required.