The Fed is supposed to provide liquidity to the banking system or shore up the solvency of a non-bank institution.

美联储的本职是清偿银行系统的债务或者支撑起非银行机构的偿还能力。

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"Engaging in the work of finance" refers to: 1. engaging in the business of a bank, insurance institution, futures company, credit cooperative institution or non-banking financial institution;

从事金融工作是指：1、在银行、保险机构、期货公司、信用合作机构、非银行金融机构从事业务工作；

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The country's fourth-largest institution, he says, is lending too aggressively and relies heavily on stockbroking and other non-banking earnings.

CNN: K.L.'s Bargain Banks