既得利益

vested interest

already / since / both... (and...)

vested in / already obtained / vesting

to obtain / to get / to gain / to catch (a disease) / proper / suitable / proud / contented / to allow / to permit / ready / finished

structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc

to have to / must / ought to / to need to

sharp / favorable / advantage / benefit / profit / interest / to do good to / to benefit

benefit / (in sb's) interest / CL:個|个[ge4]

surname Yi

benefit / profit / advantage / beneficial / to increase / to add / all the more