http://french.stackexchange.com/questions/2933/ways-of-saying-youre-welcome-in-french
ベルギーのが面白い コンゴでもそうなのかな？
Other ways to answer a "Merci" are:
"Il n'y a pas de quoi", sometimes abbreviated in "Pas de quoi"
around Toulouse: "Avec plaisir"
in Belgium: "S'il vous plaît"
