And with good reason: being able to manipulate the expectations of those around us is a key survival trait for social animals like ourselves.

而且还有很好的理由：能够巧妙地操纵周围人的期望是像我们一样的社会性动物的一种主要特征。

Any heritable trait possessed by an organism which AIDS survival or reproduction is an adaptation.

有机体所具有的有助于生存和生殖的任何可遗传特征都是适应。

Ministry policies like banning Muggle-born children from attending Hogwarts might reduce the number of Muggle alleles in wizarding society and thus increase the survival chances of magic as a trait.

魔法部如果采取禁止麻瓜出身的孩子在霍格沃茨读书的政策可能会减低麻瓜等位基因在巫师界的数目，因此增加魔法特征的生存机会。

He has deep solicitude for human survival, and reflect the world within its master as the trait.

他对人类生存境遇的深切关怀、心灵世界的内视与反省是其作为电影大师的特质所在。