有时候如果我正在讲解一句话，或者正在推导一个公式，我会稍微多讲几分钟。
Sometimes if I'm in the middle of a sentence or the middle of a derivation, I may have to go over by a couple of minutes.
预置面板已经重新组织-有时候只需几分钟-就能更容易的找到最重要的设置。
Preference panes have been reorganised – sometimes only minutely – to make it easier to find the most important settings.
这就告诉我们，有时候你不得不立刻花几分钟，这样是为了省下以后数小时的折磨。
Bottom line: Sometimes you have to spend a few minutes now to save hours of grief in the future.
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