reciprocity
n. 互惠，互换
复数 reciprocities
例句
They said they would press for reciprocity with Greece in the issuing of visas.
他们说，他们将会对希腊施压，以达成签证发放的互惠。
《柯林斯英汉双解大词典》
The Law of Reciprocity is strong in people.
互惠主义的原则在人群中是十分受用的。
There is no reciprocity in this relationship.
这种关系是没有互惠互利的。
