These factors are of great importance when it comes to the human behavior. (İnsan davranışları söz konusu olduğunda bu faktörlerin önemi çok büyüktür.).
When it comes to cars, I like GM. I would buy a Chev or a Pontiac.
... And I've got to tell you, Governor Romney, when it comes to his own party during the ...
... don't tell when it comes to the name of your undergraduate ...