這句英文是不是應該這樣翻 - 經濟

The purchase of insurance coverage is voluntary and not required for credit.
: : $______ is available at a cost of $_____ for the term of credit.


購買保險為自發性而非需求性消費；在$-----固定消費中的$----為可動用的成本

先謝謝各位鄉民了

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