A contingent liability is not an actual liability . instead , it is a potential liability that depends on a future event arising out of a dast transaction 或有负债不是实际的负债，而是过去交易所产生的未来事项而估计的潜在负债。
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John boorman s different but equally haunting sequel exorcist ii : the heretic assembles a dast as powerful as that of the original to again fight age . . 本片导演尊博文采用崭新的手法，承接上集的惊栗风格，为观众带来再一次的震撼。
