Through cross-cultural communication,a regional dialect may be used as the common tongue known as lingua franca, between, or among, groups of people speaking different dialects or languages，or develop into a contact language known as p______, spoken

Through cross-cultural communication,a regional dialect may be used as the common tongue known as lingua franca, between, or among, groups of people speaking different dialects or languages，or develop into a contact language known as p______, spoken by the people of another region.

pidgin