1. It's important to spend your time productively. 重要的是要有效地利用时间。
2. The debate could not be resolved because no one was able to ask the crucial questions in a form in which they could be pursued productively. 这场辩论未能得到解决,因为没有人能够以一种有效讨论这些关键问题的方式提出这些问题。
3. We need to use it as carefully and as productively as we can, that means prioritising our activities so that we spend most time on the things we really want to do. 我们要尽可能谨慎和有效地利用时间,这意味着要确定活动的优先次序,以便将大部分时间花在我们真正想要做的事情上。