优化你的代码是一个好主意，但是有些时候可能花费过多时间和精力，远远超过你能承受的。
Improving your code is a good idea, but sometimes it can take a lot more effort and time than you have available.
理想是一种鼓励你花费时间和精力来做些小事的想法，也可以是开始对你生活大幅重组的动力。
Callings can be an encouragement to do a small thing with your time and energy or to pursue a radical reorganization of your life.
当然如果你考虑50个选项，可能会发现更好的产品或价格，但是当你把可能要花费的时间和精力计算在内，它大概不是这个价值。
Sure you might find a better product or price if you look at 50 options, but when you factor in the time and energy that would take, it's probably not such a value.
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