A linkage between two things is a link or connection between them. The linkage of two things is the act of linking or connecting them.
例句
No one disputes the direct linkage between the unemployment rate and crime...谁都不会质疑失业率与犯罪之间存在直接联系。We're trying to establish linkages between these groups and financial institutions.我们正努力在这些团体和金融机构之间建立联系。
N-UNCOUNT
(国际关系中,一方同意做某事,以换取对方同意做另一件事的)关联原则
Linkage is an arrangement where one country agrees to do something only if another country agrees to do something in return.
例句
There is no formal linkage between the two agreements...这两项协议之间不存在正式的关联。He insisted that there could be no linkage with other Mideast problems...他坚持主张不把它与其他中东问题挂钩。