Another factor is the squeeze that conventional dairy farmers have felt as the priceof grain they feed their cows has gone up, tightening their profit margins.
另一个因素是，传统的奶农在他们喂养奶牛的谷物价格上涨时感到了压力，他们的利润空间也被压缩。
2
Even though there's disagreement over how much of the priceof solar is tied up in these soft costs, they are clearly an important factor.
甚至太阳能发电的价格和这些软成本的关系也不甚明了，而这显然又是一个很重要的因素。
3
This factor can be quantified as the ratio ofprice movements to trading volumes; a lower ratio means markets are more liquid.