Like other dual-national soccer players, Espinoza faced a choice between his two countries on the field.

VOA: standard.2010.06.09

So, whether or not the email is addressed specifically to you in like the two field or if maybe you were BCC'd or it's a big email list of which you're just part, that could signify that this is in fact useful for you.

所以，不管这个邮件是不是,单独发给你的,或者这个邮件有一个大的邮件列表,而你正在其中，其实这也暗示了,这个邮件对你是有用的。

哈佛公开课 - 计算机科学课程节选

The situation begins at--remember, the two sides are opposite each other in the field, probably in the morning.

战斗开始于,别忘了,战场上的敌对双方面对面列阵,也许是在早晨

耶鲁公开课 - 古希腊历史简介课程节选

The Minnesota Twin study, one of the most famous studies in the field of psychology, was done by Lykken and Tellegen,two prominent psychologists.

明尼苏达州的双胞胎研究，一个在心理学领域非常有名的研究，是两个杰出的心理学家Lykken和Tellegen做的。

哈佛公开课 - 幸福课课程节选

The kind of battle I've been describing to you, a nice flat field, two armies coming at each other, there's not much you can do in the way of trickery, and so you can take a high tone and say, anybody who fights any other way is a no good coward.

我向你们描述的这种战争,土地平坦开阔,两军对垒,没有多大机会使用奸计,所以你能大声地说,谁在战争中使奸就是胆小的懦夫

耶鲁公开课 - 古希腊历史简介课程节选