机修工们为了保障直升机的适航性而努力工作着。

The mechanics work hard to keep the helicopters airworthy.

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尽管如此，保障性住房的情况仍然令人绝望。

Nevertheless, the affordable housing situation is desperate.

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为了获得股票收益的安全性，投资者会关注股利保障倍数。

To glean the safety of the income offered by a stock, investors look at dividend cover.

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If you will buy stock in an electrical utility which has a guaranteed revenue stream, because no matter how bad the economy gets, a lot of people still use electricity, you don't expect it to fluctuate a lot.

如果你在有着,保障性年收入的电气供应股票投资，因为不管经济变得怎么查，人们还得用电，它不会降多少。

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