Step 1: Invoke a service to check for the credit rating.

第1步：调用服务，以检查信贷分类。

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The credit rating agency downgraded Japan one step from Aa2 to Aa3.

该信用评级机构将日本从Aa2下调一级为Aa3。

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Anything the credit rating agencies say has to be taken with a block of salt.

任何信用评级机构都不得不吞食苦果了。

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Credit rating agencies are warning about the debts of Portugal and Spain and others may follow.

VOA: special.2010.12.24

But on Thursday, Federal Reserve Chairman Ben Bernanke warned lawmakers that lack of action to raise the borrowing limit would mean a lower credit rating.

VOA: special.2011.07.15

But California also has the lowest credit rating of any state.

VOA: special.2009.07.31

This was one of the reasons the credit rating agencies began their recent spate of downgrades.

BBC: Tick, tock: The risks of depositor flight in Greece

The credit rating agencies reviewed tens of thousands of issues twice a year at best.

FORBES: Why Wall Street Analysts Have Become Irrelevant

An unfortunate side effect of this perception change is the reaction by the credit rating agencies.

FORBES: S&P's Inconvenient Truth About Municipal Bonds