原文：Most of these venture firms have had a hard time borrowing from banks because they have few tangible assets, such as property and securities, that they can put up as collateral.
译文：这些风险企业中，大多数一直很难从银行借到钱，它们具备很少的不动产和有价证券等可以作为担保物的有形资产。

原文：Most of these venture firms have had a hard time borrowing from banks because they have few tangible assets, such as property and securities, that they can put up as collateral.
译文：这些风险企业中，大多数一直很难从银行借到钱，它们具备很少的不动产和有价证券等可以作为担保物的有形资产。

修改：这些风险企业中，大多数一直很难从银行借到钱，因为它们具备很少的诸如不动产和有价证券等的有形资产可以作为担保物。