Many business loans use a level amortization with roughly equal principal reductions from each periodic payment.

许多商业贷款采用的平均摊销的方法是：从每次的周期性付款中，进行大体相同的本金削减。

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At some point the principal amortization is greater than the depreciation.

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This number reflects both the normal principal repayments that come with monthly amortization and the irregular dollops of principal that come when a mortgage is paid off early.

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