1. If this speculation is correct, it means that, just like bilateral symmetry, facial averageness is an indicator of genetic health and parasite resistance.
如果这个推测是真的，这就意味着和左右对称一样，面部平均化表明了健康的基因和抗寄生虫的能力。
noun
1. ordinariness as a consequence of being average and not outstanding
Synonym: mediocrity
2. averageness
2. the state of being that is average
indicates normality but with connotations of mediocrity