<prompt> Translate the following text to EnglishMaduka mengi huko Guadeloupe na Martinique hutoa punguzo kwa kawaida asilimia 20 kwa ununuzi katika hundi za kusafiri, lakini sio ikiwa unalipa kwa sarafu ya kigeni.  <response>: Many shops in Guadeloupe and Martinique give discounts usually 20 percent for purchases in travelers checks, but not if you pay in foreign currency. 