一些研究领域预计没有商业回报，李开复的研究就是其中之一。
Some areas of inquiry have few prospects of a commercial return, and Lee's is one of them.
不可以，奖金不提供商业回报。
对于这些银行的商业回报有个理论上的承诺，但对于他们的慷慨几乎没什么期待。
There is a theoretical promise of commercial returns for the Banks, but few expect them to be generous.
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