悲观的分析只考虑价格更高的主食与经济的联系，而另外一项研究则考虑所有对农产品进行更加自由的贸易如何作用于经济。
And the gloomy analysis measures only the effect of pricier staple foods, whereas the other examines freer trade in all farm goods.
这些元素也是日本与墨西哥等玉米主食民族长寿的原因之一。
These elements are also between Japan and Mexico, the national staple maize one of the reasons for longevity.
激情过后，剩下的是平平淡淡的日子，柴米油盐、锅碗瓢盆，每一样都是那样现实那样淡然，爱情里的玫瑰与巧克力再也不能作为生活的主食。
Every time, after remaining nothing exciting day, daily necessities, pots and pans, everything is as realistic as it lightly, love, roses and chocolates can no longer be a staple of life.
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