The secret files called the Zacharis Dossier may cause a war between the East and the West. In order to obtain a painting that is supposed to be the hiding spot for these files, Loid and Fiona enter an underground tennis tournament run by the owner of the painting, Campbell. If they win, the art piece they're after will be presented. Loid and Fiona enter as a married couple and play various skilled players including pro players!
But of course. I'm betting 
ten million on my children.
.بالطّبع. أراهن بعشرة ملايين على ابنيّ
Selbstredend.
10 Millionen auf meine Kinder.
Por supuesto.
Apuesto 10 millones por mis hijos.
Por supuesto.
Apuesto 10 millones por mis hijos.
Cela va de soi.
Certamente. 
Scommetto dieci milioni sui miei bambini.
É claro, aposto 10 milhões nos meus filhos.
Разумеется!