When a vague risk comes up, the project manager should prod the team into making it more specific.

一旦有人提出一个模糊的风险，项目经理应促使小组将其具体化。

It is characterized by being explorative, high risk, long term and vague economic benefit.

基础研究具有探索性、高风险、长周期和经济效益模糊的特点。

The method of ascertaining risks should be explicit, especially where there is no alternative to the use of such vague categories as small or slight risk.

确定风险的方法应该明了，尤其是当没有其他选择而只能使用诸如小或轻微风险的模糊分类。