乐观者在灾难中可以看到希望。
悲观者在每个机会中都看到困难，乐观者在每个困难中都看到机会。
The pessimist sees difficulty in every opportunity, the optimist sees opportunity in every difficulty.
乐观者在每一场灾难中都看到希望，悲观者在每个希望中都看到灾难。
An optimist see an opportunity in every calamity, a pessimist see a calamity in every opportunity.
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