我想要两件事：第一，更多的钱；第二，更好的工作时间。

I want two things: firstly, more money, and ___secondly, better working hours.

第二，我不知道你在一个致力于拯救野生动物的组织工作，但这听起来非常令人兴奋。

___Secondly, I didn't know that you were working in an organization which is trying to save wildlife, but it sounds very exciting.

我的决定有两个原因：第一，它成本效益高；第二，它环保。

There are two reasons for my decision: firstly, it's cost-effective, and ___secondly, it's environmentally friendly.