So the Mosaic covenant is neither unilateral-- this is now a bilateral covenant, mutual, reciprocal obligations--nor is it unconditional like the other two.

所以摩西契约不是单边同意的-,是双边契约，包含了平等和互惠的责任，这个契约也不像其他两个是无条件的。

耶鲁公开课 - 旧约导论课程节选

A sense of reciprocity is establishedbetween the tow truck and the person who helps the tow truck out of being stuck -a fine sense of reciprocity, so the expectation is that there will be a moral.

在托运车和把托运车从困境中解救出来的人之间,建立起了一个互惠主义关系,相互帮助，一个很好的感觉，所以期待是这其中会有一个寓意。

耶鲁公开课 - 文学理论导论课程节选

But the United States has to free trade, and in that sense, it's likely to lean on the direction of keeping it open, the problems will arise if India does not reciprocate.

但美国非常坚决地,自由贸易，因而，其政策会倾向于,保持对外开放，如果印度不接受,这个机会营造互惠便会产生矛盾。

普林斯顿公开课 - 国际座谈会课程节选