I spent one year at a college where I did not belong and two years taking classes irrelevant for my major, but I have no regrets about my undergraduate experience.
在大学，我不属于我花了一年两年，我的专业无关的类，但我没有后悔我本科的经验。
As countries focus on food, they need to distinguish between three classes of problem: structural, temporary and irrelevant.
各个国家都在关注粮食问题，而有三种不同层次的问题需要区别对待：结构性问题，暂时性问题和无关的问题。
As countries focus on food, they need to distinguish between three classes of problem: structural, temporary and irrelevant.
各个国家都在关注粮食问题，而有三种不同层次的问题需要区别对待：结构性问题，暂时性问题和无关的问题。
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