The bank acted as an intermediary between the buyer and the overseas supplier.

該銀行在買方與海外供應商之間擔任中間人。

Our HR manager served as an intermediary during the salary negotiations with staff.

我們的人資經理在與員工的薪資協商中擔任調解人。

We hired a local intermediary to resolve the customs dispute over our delayed shipment.

我們聘請了一位當地中間人來解決延誤貨物的海關糾紛。