0 If one thing leads to another, there is a series of events in which each event was caused by the previous one:
1 an event or activity results in another that you have usually not planned:
Inevitably, this becomes addictive: one thing leads to another.
As they say, one thing leads to another, and no more so than in this book.
One thing leads to another, and there would be no end to it.
That only shows how one thing leads to another.
It has been said that men of a conservative temperament have often noted that "one thing leads to another".
It is quite obvious that in this matter of closing branch lines, one thing leads to another.
That, however, amounts to supporting criminal gangs, and in criminal activity, one thing leads to another.
In that way, one thing leads to another.