(回答记录和采纳率就是证明,请勿对比翻译软件结果) It's a virtue to help others that all of us tried to learn from very young age and just as the saying goes "Rose given with fragrance left in hand". At the same time we help others, we will also obtain the self-worth and hapiness, I myself know it very well. (欢迎交流,欢迎指正)