但是，这个过程花费了很长时间，并且这个过程还消耗了大量劳力。
However, the process took a long time and was labour-intensive.
问题的关键是我们将时间花费在什么上面，和我们怎样消耗我们的精力。
The key is what we are spending our time on, and how we are expending our energy.
列清单那可能需要花费不少的时间，但列清单消耗时间的长短将非常有力地证明你到底有多少多余的材料在填塞着你的空间。
This could take some time, and the amount of time it takes to catalogue your material goods might prove once and for all that you have way too much stuff.
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