expression
therefore; for that reason; that's why
A conjunction-like expression that explicitly states a logical consequence based on a previously mentioned reason. Slightly more emphatic than だから alone.
彼は嘘をついた。それだから、誰も彼を信じなくなった。
He told a lie. That's why nobody trusts him anymore.
昨日は大雨だった。それだから、試合は
It rained heavily yesterday. Therefore, the match was canceled.