Perhaps this is better Whether you press the small or big cup button on the espresso machine, you get the same amount of caffeine; the only difference being that presssing the big cup button gives you a more watered-down coffee (American style coffee as you say). I believe that in the US you have to ask for a latte if you want to get a European style coffee.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.