What does 自从 (zì cóng) mean in English?

Card 1283HSK 2010 Level 51283/1311
CARD1283
PROGRESS98%
自从
从從
zì cóng
since (a time); ever since

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d