biān​jì​xiào​yòng

marginal utility

边际效用 邊際效用 biān​jì​xiào​yòng
marginal utility
The change in total utility or satisfaction resulting from a one-unit increase or decrease in the consumption of a product
edge effect
The tendency for a biological transition zone to contain both species from adjacent zones as well as unique species found only in that zone

Cross-References

Same as