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The bristol university investigators say a precautionary approach is needed .

布里斯托尔大学研究人员们认为需要采取必要的预防措施。

And so the precautionary rules were scrapped .

因此那些预防的措施被仍进了故纸堆。

Such precautionary advice makes sense .

这种预防性的建议是有道理的。

A state of emergency was called and precautionary evacuations ordered .

有关方面宣布进入紧急状态并下令进行预防性的疏散。

But fear of the dole may lead to an increase in precautionary saving .

也许，对失业的忧虑会让人们增加预防性储存。