clincher
🇺🇸
/ˈklɪntʃər/
🇬🇧
/ˈklɪntʃə(r)/
A final piece of information or an event that decides the outcome of a situation.
The clincher in the debate was her undeniable proof that the new policy would save the company millions.
辯論中的決定性因素是她無可辯駁的證據,證明新政策將為公司節省數百萬美元。