Since

後來 /后来

hòulái

(from a specified time in the past)

從那以後 /从那以后

cóng nà yǐhòu

(from a specified time in the past)

因為 /因为

yīnwèi

(because)

從 /从

cóng

(from the time that)

由於 /由于

yóuyú

(because)

自

zì

(from the time that)

自從 /自从

zìcóng

(from the time that)

從 /从

cóng

(from (time))

自

zì

(from (time))

自從 /自从

zìcóng

(from (time))