不是偶然
bú shì ǒu ránCommon spoken expression used by native Chinese speakers in daily life.
[Authentic Cinema Evidence Base]
(2 clips)
00:03
(证明那次试药失败 并不完全是裴医工的责任) ── Previous context
“Liu Jia being picked to test it wasn't a coincidence.”
00:03
(县主要为裴医工正名 我也只能做点小事) ── Previous context
“to prove that failed test wasn't entirely her fault.”