idiom
seeing is believing
只有看到的才能相信;只有亲身体验过才能相信。
Meaning
only what one sees can be believed; things must be experienced to be believed.
Example
I was skeptical at first, but when I saw the results, I realized **seeing is believing**.
我一开始很怀疑,但当我看到了结果,我意识到**看到就是相信**。