When companies make a gratis offer, what they're really doing is muddying the cost-benefit equation and making it more difficult for their prospects to make a clear valuedetermination.
当公司发送免费品，他们真正的用意却只在搅浑成本-收益对等关系，让人更难人确认其价值。
2
Its formation is under the influence of various elements, the change of which will affect the level of social necessary labor time, and therefore influence the valuedetermination of commodities.
In order to ignite the liquids product successfully, ethanol was used as an auxiliary fuel for the heating valuedetermination of liquid product obtained from corn stalk pyrolysis using calorimeter.