Because of the property of simplicity and distribution-free, the chain ladder method has become the most popular method of claims reserving.
链梯法由于其简易性和几乎不需任何假设的特点，成为了基于流量三角形对未决赔款准备金进行预测的最常用方法。
Generous sitting on the ladder under the bridge, the symmetry of the wind to take me into the fantasy world, will in due course will be free, I pulled out the edge.
坐在桥下的宽厚的阶梯上，匀称的风声带我走进梦幻的世界，又会在适当的时候将我拉出游离的边缘。
With a natural altitude, go up the ladder of a respectful life. In the fusion of reality and ideals, forget the annoyance, and enjoy life with free spirit.
在一份自然的态度里，携尊贵生活拾阶而上。在现实与理想的交融里，忘却了烦恼，独享自由挥洒的心境与生活的真意。
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