<prompt> Translate the following text to EnglishMartinique na Guadeloupe ni nchi za chini ya ushuru, na kwa hivyo, kwa sababu ya hali ya hali ya hewa, bidhaa zao zinauzwa kwa bei ya chini ya bei ya Ufaransa.  <response>: Neither Martinique nor Guadeloupe enjoy duty-free status apart from the duty-free shops at the airports, but almost everything from France is sold at mainland French prices, well below what the items would cost in North America. 