ðiːz nˈɛstᵻd lˈɛvəlz ɹˌɛpɹᵻzˈɛnt kwˈɔlᵻtˌeɪɾɪvli dˈɪfɹənt tˌɛmpoːɹˈælᵻɾiz, fɔːɹ bˈoʊθ tˈaɪm ænd ðə pɚsˈɛpʃən ʌv tˈaɪm hæv ɪvˈɑːlvd.
These nested levels represent qualitatively different temporalities, for both time and the perception of time have evolved.