1. The aim is to unblock the flow of credit markets now, then sell the securities later, when the housing market improves. 其目的是释放目前信贷市场的流通，在房产市场改善之时，再出售证券。
2. The aim is to unblock the flow of credit markets now, then sell the securities later, when the housing market improves. 现在的目的是放开信贷市场的流通，然后在房地产市场改善之际卖掉那些有价证券。
3. Cusack is the hero in an elaborate sequence involving his desperate attempts to unblock a jammed hydraulic lift that threatens to sink the ark. 库萨克，本片的主人公，以详尽周密的顺序，包括他置死地而后生地努力解开绞扣在液压起降机的绳索，以免方舟沉没。
英英解释
v.
1. clear or remove an obstruction from
2. play the cards of (a suit) so that the last trick on which a hand can follow suit will be taken by a
3. make (assets) available
