1. run on 连续，持续

eg.The concert ran on until twelve o'clock.
音乐会一直持续到12点。

eg. Because of this, many of the same applications can run on all these platforms.
因此，许多相同的应用程序可以在所有这些平台上运行。

2. specialize in 专门研究……

eg. Different people specialize in different parts of the process.
不同的人会在流程的不同部分更加擅长。

eg. We specialize in handling clocks and watches of all sorts.
我们专门经营各种类型的钟表。