productive time

基本解释

But what is productive time?
但是，什么才是富有成效的时间？
Productive time: doing easily what you want to do
富有成效的时间：很容易地做你想做的事情
But if you work for a typical company, you’re probably losing hours of productive time every single day.
但是如果你为一家典型的公司工作，每一天你很有可能失去几小时的高产出时间。

Let them see how their utilization (productive versus non-productive time) does exactly that.
FORBES: The Trouble With Having An Always-On Workforce
So, when my outdated smartphone costs me an extra hour at the airport, it feels a like an unnecessary waste of potentially productive time.
FORBES: Ex-BlackBerry Addict: My Smart Phone Wasn't Smart Enough
Bad software leads to security vulnerabilities that vandals and thieves exploit, and wastes hours of productive time as techies desperately fix bugs in the code.
FORBES: Saving Software From Itself