作为卖空交易的替代选择，你还可以购买信贷违约掉期。这是债务保险的一种形式，担保的未必是你自己的债务。

As an alternative to short selling, you can buy a credit default swap, which is a form of insurance on debt-not necessarily your own debt.

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一些正式的公司实体如信托、租赁和担保公司也开始出现，提供了替代的金融服务。

A number of formally incorporated entities, including trust, leasing and guarantee companies, have also emerged, with the scope to provide alternative financing.

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在对小额信贷运行机制的论述中，着重分析了团体贷款、分期付款及担保替代等机制的运行规律，并引入相关模型加以证明。

In the discourse of microfinance operation mechanism, focus on the operation law of the group loans, hire purchase and assured substitution, and the relevant model be introduced and proved.

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