phrase/ja ply k‿a/
now all we have to do is to put that into action, and now you gotta put that into practice (now that someone knows all that there is to know about something, there's nothing left but to do it)
“C'était tout vu ! Y'avait plus qu'à ! Aimer. Vivre. Rire. Exister.” — Small Country
Colloquial ellipsis of il n'y a plus qu'à X (literally “now all that's left is to X”).