相向流动 meaning in English

countercurrent flow

" the concept of protection of personal data is a natural development in the course of economic growth , as economic activities have led to two - way flows of personal data across national boundaries which is difficult to control or regulate
由于经济活动带来跨越国界限制的个人资料相向流动，使其变得难以控制及监管，保障个人资料的概念遂成为经济发展的自然进程。