ɪt mˈiːnz ðæt ðɛɹ ɪz ɐ beɪˈiːʒən nˈæʃ ˌiːkwɪlˈɪbɹiəm ɪnwˌɪtʃ ˈɔːl pɑːɹtˈɪsɪpənts ɹᵻvˈiːl ðɛɹ tɹˈuː pɹˈɛfɹənsᵻz.
It means that there is a Bayesian Nash equilibrium in which all participants reveal their true preferences.