After arriving in the great merchant city of Pazzio, Lawrence teaches Holo more about than many kinds of currency in use. Then the Wise Wolf earns her keep - and her title - by demonstrating her bargaining skills.
and the amounts of silver 
and gold in them often change.
ونسبة الفضّة والذّهب فيها كثيراً ما تتغيّر
und die Mengen an Silber und Gold
in ihnen ändern sich oft.
y la pureza de oro y plata
en ellas varía mucho.
y la pureza de oro y plata
en ellas varía mucho.
et leur pureté en or ou en argent
change constamment.
e a quantidade de prata
e ouro sempre muda.
Количество золота и серебра
в них непостоянно.