optimist sees an opportunity in every calamity; a pessimist sees a calamity in every
问题描述：
optimist sees an opportunity in every calamity; a pessimist sees a calamity in every
答
An optimist sees an opportunity in every calamity;
a pessimist sees a calamity in every opportunity.
乐观的人在灾难中看到希望；
悲观的人在希望中看到灾难.