
It is a title, see thread:
http://tatoeba.org/eng/sentences/show/1458101

The usual translation is "Thus do all women." The Italian original refers unequivocally to the female gender.

1. I added a version "Thus do all women".
http://tatoeba.org/eng/sentences/show/2075337
2. See also here:
http://en.wikipedia.org/wiki/Cos%C3%AC_fan_tutte

1. Can't complain about that.
2. Following your lead, I see that "Thus Do They All" seems to be the usual translation.