retroactively

基本解释

Still, since businesses assume the credit will always be renewed (albeit retroactively), they are unlikely to spend more if proven right.
不过，因为企业一直假设该项抵免会永远续期（即使是追溯），如果此次证明其假设成立，他们不太可能会因此而加大研发支出。
If some HFC-23 CERs were deemed retroactively invalid, such sanctions would drive up the price of other CERs while putting some of these entities in serious financial trouble.
如果一些HFC-23注册减排资格被认为没有有效的追溯力，这样的制裁将推升其它注册减排价格，而使这些部门陷入严重的财政问题中。
Curb interest rate hikes by prohibiting credit card companies from retroactively jacking up rates on existing balances until the customer is 60 days behind on payments.
遏止加息，除非客户延迟60天还款，否者禁止信用卡公司追溯现有结余的利息。

Ten U.S.states have enacted Iran divestment legislation, and an amendment to the House bill would retroactively expand protection to those actions.
While Congress and the administration consider what can be done retroactively to recover funds, Franks says the government should use leverage it now has as 80 percent shareholder in AIG.

In neither case were taxes collected retroactively but they apparently resumed without delay after each reauthorization.
FORBES: Congressional Waste: The FAA and Airlines Taxes
Congress has a history of reinstituting expired tax code provisions and applying them retroactively.
FORBES: The IRA Charitable Donation in 2012