start work:work可以做名词的。
start working=start to work这里的work是个动词。
如:
Developers do not need to have all the requirements available before they start work.
对开发者来说在他们开始工作之前他们并不需要所有的需求可用。
How did you start working as a translator?
你如何开始作为一名译者的工作?
Work 可以是名词。start 也可以是及物动词,所以连在一起没错。