无坚不摧

duì shì biàn lùn de zhēn zhèng yōu shì bù zài yú qì shì shang de jiàn bá nǔ zhāng ér zài yú yī zhǒng wú jiān bù cuī de luó ji lì liàng

队式辩论的真正优势不在于气势上的剑拔弩张，而在于一种无坚不摧的逻辑力量。

The real advantage of debate in group is not at daggers drawn but at all-conquering logic power.