Since 2008 the United States has not sold a single grain of rice to Cuba.

VOA: standard.2010.07.29

So you try, if you can grow grain on your land or you grow it where you can, if not, you have to get it elsewhere.

所以你要有一个,如果你的土地适合耕种谷物,或者其它任何可以生产谷物的地方,如果不能,你就必须换个地方了

耶鲁公开课 - 古希腊历史简介课程节选

in some ways, one has to admit also there maybe a grain, if not more than a grain of truth in what he seems to be saying.

我们多么不喜欢他，但必需承认,他可能有点儿道理，但就那么点儿,关于他所说的话。

耶鲁公开课 - 政治哲学导论课程节选