体系

system / setup / CL:個|个[ge4]

body / form / style / system / substance / to experience / aspect (linguistics)

to connect / to relate to / to tie up / to bind / to be (literary)

system / department / faculty

to tie / to fasten / to button up

to connect / to arrest / to worry

system of thought / ideology

social credit system, a system that incentivizes individuals and businesses by creating consequences for good and bad behavior

economic system

National Health Service (UK)