英语翻译there are a great many careers in which the in

问题补充：

英语翻译there are a great many careers in which the increasing emphasis is on specialization

答案：

有大量的职业都越来越强调专业化了.

There are a great many careers;

The increasing emphasis is on specializing in careers;

这里emphasis on,specialize in都是固定搭配.