一些人是出于简单的商业利润动机。
难道“对犯罪严厉”与日益增长的利润动机仅仅是巧合吗?
Is it a coincidence that 'tough on crime' follows an increasing profit motive?
自由的市场和利润动机对于黑人来说不是敌人而是朋友。
Free markets and the profit motive, far from being enemies to blacks, have been friends.
Both firms have an incentive to undercut the other firm, driving down profits for both.
每个企业都有削弱对手的动机,最后他们的利润都下降了
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