这期间，两国高层往来频繁，经贸合作卓有成效。

There have been frequent high-level exchanges and fruitful economic and trade cooperation between them.

youdao

青岛是一个古老的港口城市，船只往来频繁。

Qingdao is an old port city that knows boats and sailing.

youdao

近年来，双方高层往来频繁，经贸等领域合作取得重大进展。

He also noted that recent years have witnessed frequent exchanges of high-level visits and significant achievements in trade and other areas of bilateral cooperation.

youdao