85. In English, the preposition "between" is used in reference to two
persons or things, and "among" in reference to three or more. As the
difference in meaning is not essential, Esperanto has but the one
preposition inter to express both "between" and "among":
Li sidas inter vi kaj mi, he is sitting between you and me.
Li sidas inter siaj amikoj, he is sitting among his friends.
La monato majo estas inter aprilo kaj junio,
the month of May is between April and June.
Inter tiuj libroj estas tre interesa libro,
among those books there is a very interesting book.