14.Human capital may also play a role in the fact that has often been pointed out, that many of the poorest societies have been located in the tropics, and many of the most prosperous have been located in temperate zones.
人们经常指出,许多最贫穷的社会位于热带地区,而许多最繁荣的社会位于温带地区,人力资本也可能发挥
用。机翻
「Basic Economics, Fifth Edition」评价该例句:好评差评指正