What will they have to do if they go abroad according to the man？A．They have to change mon

What will they have to do if they go abroad according to the man？

A．They have to change money and deal with the foreign currency.

B．They have to buy plenty of food and other things for the traveling.

C．They have to learn the language of the country where they travel.

D．They have to borrow a large sum of money for the traveling.

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