Sinistral rarity might, then, be a consequence of possible disadvantages conferred by these other concomitant structuralfeatures.
因此,左撇子的稀少可能是这些其他伴随的构造特征所带来的不利影响的结果。
2
The resulting adaptations to dry land include some structuralfeatures that arose early in plant evolution; now these features are common to virtually all land plant.