In reality, it is difficult to make accurate calculations of customer lifetime value due to the complexity of and uncertainty surrounding customer relationships.
但是现实中,由于客户关系的复杂性和不确定性,很难准确计算客户生命周期价值。
Because of the complexity and uncertainty inherent in spatial problems, the description of the spatial relationship often adopts qualitative methods.
由于空间问题固有的复杂性和不确定性,空间关系的描述普遍采用定性的方法。
Chinese enterprise under such conditions, facing the uncertainty and complexity of the environment, experiencing a severe challenge.
中国企业在这样的条件下,面对环境的不确定性和复杂性,正在经历一个严峻的挑战。
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