翻译:它值得/这是值得的。分析:It(主语)'s (谓语)worth(表语) it (宾语,做be worth的宾语).这是一个简单句。主语和宾语都用了人称代词it,但是性质不一样。第一个it是人称代词主格做主语;第二个是人称代词宾格做宾语。第一个it是指代前面的名词;第二个it和worth构成词组表示”值得“,像got it(明白了)。例如:The book cost me 20 yuan, butit's worth it.(第一个it指book,第二个it和worth构成词组)I promise you it's worth it. (第一个it指代前面的事情)我向你保证这么做是值得的。It takes a long time to download, but it's worth it.它的下载需要花很长时间,但是非常值得。"It's worth it to do it," she said. (第一个it是形式主语,动词不定式是真正主语)Change is hard, but it's worth it.改变是很难,但这是值得的。