求翻译：第一亚历山大，有一个关于抵押贷款的问题，他最近决定建立一个延伸到他们的家，在300 000英镑的费用，按揭养老的基础上超过20年，但他收到一封信从该公司，指出returnson政策有可能导致严重短缺，在价值相比，未偿还按揭贷款。与亚历山大可能是能够还钱钱，所以是一个高风险。因此，亚历山大应该解决的问题，他应该得到足够的回报，也买一个低风险的按揭产品。是什么意思？

First Alexander, a mortgage, he has recently decided to build an extension to their home, on the basis of a cost of £ 300,000 mortgage endowment over 20 years, but he received a letter from the company. that returnson policy may lead to a serious shortage of outstanding mortgage loans, compared to t

The first Alexander, there is a mortgage on the issues, he has recently decided to create an extension to their home, the cost of £300 000, the mortgage on the basis of age more than 20 years, he had received a letter from the company, and noted that returnson policy could lead to serious shortages,

First Alexander, some about the mortgage loan question, he decided recently establishes one to extend to theirs family, in 300 000 pounds expenses, in the foundation which the mortgage cares for the aged surpasses for 20 years, but he receives one to believe and follow this company, pointed out the

The first Alexander, have a question about mortgages, he recently decided to build an extension to their home, at the cost of GBP 300 000, on the basis of the mortgage endowment for more than 20 years, but he has received a letter to the company, that returnson policy is likely to result in serious

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