他说其他原因包括能源价格的上升和在主要谷物生产国的低产。

He said other causes include rising energy prices and poor harvests in major grain-producing countries.

youdao

小麦是制作面粉用的主要谷物，不过，也有少量面粉由黑麦制成。

Wheat is the primary cereal used to make flour, although a limited amount of flour is made from rye.

youdao

与当时不同，虽然这次小麦价格持续上涨，但包括大米在内的一些主要谷物价格维持相对稳定。

Unlike then, the prices of some staple cereals such as rice remain relatively stable, though the price of wheat is rising.

youdao

Hard to believe today, but Sicily was one of the major granaries of the Mediterranean world at that time, tremendously fruitful, able to grow the best possible crops, very good wheat and so on.

在今天很难想象,但西西里是当时地中海地区,最主要的粮仓之一,产物丰盛,能够种植最好的谷物,上乘的小麦等等

耶鲁公开课 - 古希腊历史简介课程节选