Many managers duck the whole difficult issue by making no decision at all or by putting it off forever.

面对这样的难题，许多经理人选择了逃避，比如根本不做任何决定，或永久性地搁置问题。

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Since many factors in the risk analysis of it system integration are very obscurity, it is difficult to accumulate project risk by efficient data and realize Quantification analysis of risk decision.

在IT系统集成项目风险分析中，由于诸多因素具有很强的模糊性，很难通过有效的数据累计项目风险，实现风险决策的量化分析。

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Because of the characteristics of complicated decision-making problems, it is very difficult to describe and solve complicated decision-making problems only by the means of quantitative models.

鉴于复杂决策问题的特点，仅仅依靠定量模型难以描述和求解复杂决策问题。

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And he told peers the decision to go ahead with building two aircraft carriers was probably the most difficult and controversial decision taken by the Strategic Defence and Security Review.

BBC: Defence Review debate part 2

However, the sport's governing body, the FIA, said it was not surprised by BMW's decision given the difficult global economic climate.

BBC: BMW to quit F1 at end of season

All of this will have to be carefully weighed by universities as they get down to the difficult decision of what level to set their fees at.

BBC: Students could be tough customers