新工作实践的引入极大地提高了生产力。

The ___introduction of new working practices has dramatically improved productivity.

在它们引入后的几年内，CD的销量超过了黑胶唱片。

Within a few years of their ___introduction, CDs were outselling vinyl records.

随着计算机的引入，我们现在可以访问互联网与生活在国外的亲友交流。

With the ___introduction of the computer, we can now access the Internet to communicate with our relatives and friends living abroad.