The new rule will be applied retrospectively.

新的规定将具有追溯效力。

《牛津词典》

In fact, this is not a new rule.

事实上，这并不是一个新规则。

youdao

One motive in imposing the new rule is to enhance bankers' sense of responsibility.

实施新规定的一个动机是为了增强银行家的责任感。

youdao

They could get together and say we are writing a new rule on how these gold proceeds can be used, but no one has taken the initiative to start to make that happen."

VOA: standard.2009.04.20

But in the case where we've got branching, where we've got somebody with Napoleon's personality both in Michigan and New York, that violates the no branching rule, and we just have to say nobody's Napoleon in that case.

但在有分歧的案例中，在密西根和纽约都出现了拥有拿破仑人格的人，那违背了无分支规则，那样我们就说，他们都不是拿破仑。

耶鲁公开课 - 死亡课程节选

The new law gave the president power to declare military rule in the south.

VOA: special.2010.02.18

More likely it is corporate buck-passing, designed to help chief executives get around the new rule.

ECONOMIST: Swearing by the numbers

Putting aside the logic of the Ninth Circuit's new rule, its prescriptions seem hard to follow.

WSJ: Roy Altman: Judges For Lax Border Security

Under this new rule, traders simply have to show that they have found the stock.

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