做“双朋友”,就是既做生活上又做工作上的朋友,其实这就是最好的朋友。在这一点上,很多前人为我们做出了榜样。1850年,恩格斯为从经济上支持马克思写《资本论》,亲自到曼彻斯特经商,以便实现他们的共同目标——研究革命理论。延安时期,有一次警卫员洗衣服, To be a “double friend” is to be a friend in both life and work. Actually, this is the best friend. At this point, many of our predecessors have set an example for us. In 1850, Engels paid economic support for Marx to write “Das Kapital” and personally went to Manchester to do business in order to achieve their common goal - to study revolutionary theory. During Yanan, there was an escort washing clothes.