Over the last century, across many countries and many different crop types, crop yields have skyrocketed.

在过去的一个世纪里， 许多国家的各不同物类型，产量都大幅飙升。

Instead of crossing a few plants together to try for a new variety, Borlaug crossed thousands and thousands, using crop types from all over the world.

不将少数植物杂交到一起尝试新品，博洛格用来自世界各地的物类型杂交了成千上物。

Will evolve in a similar manner their form depending on the crop concern and its location which could be a field a vineyard or an orchard.

将会根据物类型及其位置以类似的方式进化其形态，这些位置可能田地、葡萄园或果园。

As we've said before, the experience is different in all these different slave societies based on, you know, who the mother country is, what the dominant religion is, the way slavery develops, the crops involved.

正如我们之前所提到的，基于母国的不同、主流宗教的差异、奴隶制度的发展方式以及所涉及的农物类型，这些不同奴隶社会的经历各有特点。