| 1. | In ancient times , if people in a limited space , can rely on the convenience of different conditions to eat nutritious food , they will have a high degree of adaptability , more easily survive
在远古时代，如果人们在有限的活动空间内能依赖便利的条件吃到含有不同营养的食物，他们就会有高度的适应性，也更容易生存下来。 |
