common denominator
noun /ˌkɒmən dɪˈnɒmɪneɪtə(r)/
/ˌkɑːmən dɪˈnɑːmɪneɪtər/
- (mathematics
数学 公分母 - an idea, attitude or experience that is shared by all the members of a group
（想法、态度或经验的）共同点 - They were united through the common denominator of suffering.
他们因共同的苦难而团结在一起。
- They were united through the common denominator of suffering.