It's a sound of group cohesion against the common enemy.

这是集体凝聚力对抗共同敌人的声音。

So when they use their signature whistle they're advertising their identity to those around them as a way to maintain group cohesion.

所以当海豚使用标志性的哨音时，它们是在向周围的海豚宣传自己的身份，以此来保持群体凝聚力。

Cross-cultural differences in the way we save face impact our perceptions of trust and respect, which in turn impact our relationships and group cohesion.

在“顾面子”的方式上，跨文化差异会影响我们对信任和尊重的看法，而这种看法反过来又会影响人们之间的关系和团队凝聚力。

By reducing output, OPEC Plus was also seeking to make a statement to energy markets about the group's cohesion during the Ukraine war and its willingness to act quickly to defend prices, analysts say.

多位分析人士表示，OPEC Plus还试图通过减产向能源市场表明，该组织在乌克兰战争期间的凝聚力，以及其迅速采取行动捍卫价格的意愿。