Mutual relationships are common throughout the animal kingdom.

动物王国的相互关系很常见。

And now we have evidence for an unusual mutual relationship—between warthogs and banded mongooses.

现在有证据表明疣猪和条纹猫鼬之间存在不同寻常的相互关系。

Personally, who can you reach out to to create a mutual mentorship relationship?

就个人而言，您可以联系谁来建立相互指导的关系？

Second, while it;s true that bees have a close mutual relationship with flowering plants today, it’s quite possible that bees existed before flowering plants appeared on Earth.

其次， 虽然蜜蜂与今天的开花植物有着密切的相互关系是事实，但很有可能蜜蜂在开花植物出现在地球之前就已经存在了。