Aside from minor differences in the shape of neck vertebrae and the relative length of the arms, early birds and their Maniraptoran kin, such as Velociraptor, look very much alike.
撇开颈椎形状和四肢长度的微小差别不谈,早期鸟类和它们手盗龙家族的近亲(如迅猛龙)看起来非常相似。
2
As long as there are minor, relative differences in the efficiency of producing a commodity, even the poor country can have a comparative advantage in producing it.
只要两国在生产一种商品的效率上存在着微弱的相对差异,即便是穷国也可能具有生产这一商品的比较优势。
3
Thee boy's mother, sister and brother were in the same room when the attack happened but sustained only minor injuries, a relative told the Birmingham Mail.