相關DoyouknowinsuranceBu的文學知識

問題詳情：  Doyouknowinsurance?Buyinginsuranceisa  41 bywhichpeoplecanprotectthemselves  42 largelosses.Protectionagainstfireisonekindofinsurance.Largenumberofpeoplepay__43___sumsofmoneytoaninsu...