private life, personal life

new life; new chapter in one's life

new age; new era; new epoch; new period

big / broad, immense

potential of 変える (kaeru): to be changeable / passive of 変える (kaeru): to be changed

to change, to make different / to move or shift to a different time or place

the Neolithic

technology; technique; technical

age, era, period (of time) / the times, spirit of the age / antiquity / a time in one's life, one's days (in college etc.)

live a life