根据下面的文字,按要求写一篇作文。乐观与悲观有一次,一名新闻记者问大文豪萧伯纳:“萧伯纳先生,请问乐观主义者和悲观主义者的区别何在?”萧伯纳摸着他引以自豪的胡须想了想,便回答:“这很简单,假定桌上有一瓶只剩下一半的酒,看见这瓶酒的人如果高喊起来:‘太好了,还有一半。’这就是乐观主义者;如果对着这瓶酒叹息:‘糟糕!只剩下一半了。’那就是悲观主义者。” According to the following text, write an essay as required. Optimism and pessimism Once, a journalist asked the writer Bernard Shaw: “Mr. Shaw, what’s the difference between an optimist and a pessimist?” Shaw thought, feeling the beard he was proud of, he replied, “This It’s very simple to assume that there is only one half of the wine left on the table. If the person who saw the wine shouts: “Too good, half there.” This is an optimist; if you sigh at this bottle of wine: “Oops! There’s only half left.” ’That’s a pessimist.’