to undergo a process of renewal or restoration to a new or improved state

严冬过后，万物更始，整座森林重新焕发了勃勃生机。

to make a fresh start, often referring to the beginning of a new political era or a significant change in direction

新政府宣布与民更始，推行了一系列旨在减轻税收负担的改革措施。