What's the difference between an ape and a monkey?
I will not find the same one and of course John will notice the difference. (Preliminary English Test; B1; French)
a(n) age/price/temperature difference
There's a big difference in age between them.
This age difference was too big! (First Certificate in English; B2; Italian)
Exercise can make a big difference to your health.
It wouldn't make a big difference in my life, but it would be good. (First Certificate in English; B2; Portuguese)
You can ask him again if you like, but it won't make any difference - he'll still say no.
It makes no difference where you put the antenna, the radio still loses the signal.
Does it make any difference, some might ask? (First Certificate in English; B2; German)
I can't tell the difference between an American and a Canadian accent.
Not only will their critical sen[s]e atrophy but also they will not be able to tell the difference between what is right and wrong. (Certificate in Advanced English; C1; Greek)
They must try to resolve their differences peacefully.
Music has also the power to unite people, to make them forget their negative feelings and to make them forget their differences. (Certificate of Proficiency in English; C2; Greek)