3S lady, on the words, that's say it become old age and didnot get married yet.
The actually meaning : Single, Seventies, and Stuck.
Especially in
big city , more and more girls join in the line of
3S Lady. they earn more money .but no time to consider their own feelings and love, and no time to seek their boy friends.
So , the words "3S Lady " is very popular in China.