groups of animals hunted by groups of humans.

集体狩猎帮助人类捕获大量的动物
The plant diet at this point was still quite important.

植食性食谱在此时仍是非常重要
Then the Phase Three that I mentioned,

最后是我提过的第三阶段
the 10,000 years ago had several things occur that were

一万年前发生的某些转变
very important in shaping our current situation.

对塑造当下的饮食结构而言意义重大
We have modern patterns of climate, vegetation and fauna,

那时有现在的气候模式植被和动物群
so the climate conditions were somewhat similar to today.

因此气候条件在某种程度上和现在差不多
Several large animal species had disappeared

很多大型动物物种已经灭绝了
so people had to find other animals and so

人类不得不去寻找其他动物
this changed from going to find animals to domesticating animals,

因此这也就完成了从狩猎到驯养的转变
and shift from collection of plants to production of plants.

从采集到种植的飞跃
Because of the climate and because of certain things

因为气候以及其他的一些原因