许多情况下，为了达到节能目的所倾注的努力更甚于资金投入，且几乎每个案例都包含了艰苦的工作。

In many cases, it takes more effort than money, to achieve energy reduction, and in almost every case involves hard work.

youdao

我甚至经常听力考试不及格，尽管我投入了许多时间和努力，但就是不知道为什么结果总是一样、为什么上天如此不公平。

I failed my listening comprehension exams all the time, despite the fact I devoted a lot of time and effort into it. I didn't know why this kept happening to me and why it was so unfair.

youdao

我甚至经常听力考试不及格，尽管我投入了许多时间和努力，但就是不知道为什么结果总是一样、为什么上天如此不公平。

I failed my listening comprehension exams all the time, despite the fact I devoted a lot of time and effort into it. I didn't know why this kept happening to me and why it was so unfair.

youdao