The central bank has started to drain liquidity by lifting Banks' reserve requirements, and some Banks have been told to reduce their lending.

央行开始提高存储准备金率以期抑制资产流动，一些银行放贷受限。

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Bear Stearns didn't say how much money it would need to borrow to stop the liquidity drain.

FORBES: Bear On The Bubble

The worst thing about capital flight and gold purchases is that they drain liquidity out of the Chinese economy just when it is needed most.

FORBES: Why Are the Chinese Buying Record Quantities of Gold?

If that gap persists, the problem can be addressed by supplementing payment of interest on reserves with steps to reduce reserves and drain excess liquidity from markets the second means of tightening monetary policy.

WSJ: Bernanke Op-ed in WSJ: The Fed��s Exit Strategy