Some components of a thriving friendship are honesty,naturalness,thoughtfulness,some common interest.--- Ralph Waldo Emerson, American poet and essayist. 

 

确保友谊长青的要素是：诚实，朴实，自然，体贴和某些共同的兴趣。---拉尔夫·沃尔多·艾默生，美国诗人和散文家