如果你的目标是要有标准化的学习方法，让每个人在同一时间以同样的方式学习同样的东西，那么通过实践来学习其实已经不符合这个模式了。
If your goal is to have standardized approaches to learning, where everybody learns the same thing at the same time in the same way, then learning by doing doesn't really fit that mold anymore.
在必须（符合）交付时间的情况下使用。
树立只管去做的心态需要时间，但是它立刻可以防止你从成就的悬崖上坠落，防止你浪费时间，产生不符合生活方面的标准的行为。
But can keep you from falling off the cliff of achievement in no time. It will prevent you from wasting time and falling short in all aspect of you life!
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