It's been a while since I've been doing that because I haven't had as much free time as I would have liked.

我已经很久没有播报了。因为我最近都没有太多的空余时间。

广播人员怎么样？ - SpeakingMax英语口语达人

that's still something really neat that I can do in my free time.

我在空闲的时间还可以做一些很有意义的事情。

成功的医学研究 - SpeakingMax英语口语达人