Angels had certain moral standards to maintain and so, unlike Crowley, he preferred to buy his clothes rather than wish them into being from raw firmament.
天使需要遵守道德规范，所以不像克鲁利那样，他总是老老实实的掏钱买衣服，而不是像克鲁利那样无中生有的把衣服编出来。
In order to solve the double moral hazard problem due to incomplete information, an impact on the performance of supply chain by buy-back contract was studied.
针对信息不对称所产生的双重道德风险问题，研究了业界广泛使用的产品回购合约对供应链整体绩效的影响。
In order to solve the double moral hazard problem due to incomplete information, an impact on the performance of supply chain by buy-back contract was studied.
针对信息不对称所产生的双重道德风险问题，研究了业界广泛使用的产品回购合约对供应链整体绩效的影响。
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