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1·But, he says, international comparisons teach a crucial lesson: what is possible.

但是他说，国际对比也带来了一个重要教训：什么是可能的。

2·It symbolizes a crucial lesson about craft: utility is not contingent on perfection of form.

它象征了一个关于工艺的经验：效用并不依赖于完美的表现形式。

3·A crucial lesson he learned while tackling those challenges is one that's all too easy to lose sight of: Growth, we now know all too well, is not a strategy.

他从应对众多挑战中学到的一个至关重要的教训，恰恰是很多人极易忽略的：“我们都对增长耳熟能详，但这并非战略。”

4·Let's remember the lesson: Skepticism is a crucial counterpoint to positivity, and it's not the same thing as negativity, which destroys rather than nurtures.

让我们记住这个教训吧；怀疑理论是一个关键对位，它是积极的，不是消极的。

5·The lesson for the 2009 election is that winning the flexicons is crucial.

2009年的大选，若要赢得自由保守派的支持是极为困难的。