nourisson (1) espèce (1) spectacle (1) évolution (1) discours (1) Communication (1) Speech (1) Species (1) Societies (1) Persons (1) Music and language (1) Human beings (1) Infants (1) Functions (1) Finance (1) Evolution (1) Communication (1) Chance (1) Finance (1) Vocalization (1) Evolution (1) nourrisson (1)