This kind of cross-fertilization cannot happen without communication across departments, business units, or national borders.

这种交叉孵化作用，没有跨部门、跨产业、甚至是跨国交流的支持，如何可能发生？

youdao

The economy has been balkanised by local taxes levied at state borders, but cross-party support for a national goods-and-services tax could create a true common market.

该国经济因各邦的地方税收而呈现出条块分割的局面，对全国性的商品和服务税的跨党派支持可能创造一个真正的共同市场。

youdao

Mr Kelly believes that clusters of internet activity, when they do cross national borders, flow from pre-existing identities.

ECONOMIST: E-communication and society

It points out that EU rules mean deficits are not allowed in defined benefit schemes which cross national borders.

BBC: Scotland politics

Economists at the Dallas Federal Reserve recently estimated that while both Texas residents and Mexicans cross national borders regularly to shop, overall, the United States generates more from sales to Mexican residents than it loses to US residents who cross the border.

FORBES: Immigration Reform is Critical to Economic Growth in Texas