This slippery slope of eroding ethics and bigger risks leads only to disaster.

这种道德滑坡以及更大的风险只会导致灾难。

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The company started down the slippery slope of believing that they knew better than the customer.

该公司开始走下坡路了，他们相信自己比顾客更明白。

《柯林斯英汉双解大词典》

Although sometimes - I mean one way of avoiding a slippery slope is by defining something. you have to use slippery slope sometimes don't we?

尽管有时候-，有一种避免斜坡谬论的方法是，定义一些东西，你有时要用到斜坡谬论，难道不是吗？

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You base this on the slippery-slope argument: selected cases may grow into casual practice over time.

ECONOMIST: Torture arguments

"It's a slippery-slope deal, " says Dr. Deborah Peel, founder of Patient Privacy Rights, which advocates for medical-data confidentiality.

WSJ: How the Insurer Knows You Just Stocked Up on Ice Cream and Beer

And there is also the slippery-slope argument: once assisted suicide is permitted for the terminally ill, vulnerable members of society, such as old people regarded as a nuisance by their families, may all too easily be pushed down it.

ECONOMIST: The case for regulated mercy-killing