indent
　　indigenous
　　indiscriminate
　　indistinguishable
　　induce
　　induce sb. to do sth.
　　inducement
　　inertia
　　inextricably
　　extricate
　　infectious
　　infestation
　　influx
　　ingest
　　digest
　　digest
　　congestion
　　inhibit
　　inhibition
　　in-kind transfers
　　inoculate
　　input
　　installation
　　installation
　　instantaneous
　　instigate
　　institution
　　socialist institutions
　　instrumental
　　his father is instrumental in getting job for him.
　　insulate
　　insular
　　insulin
　　intangible
　　integral
　　tai wan is integral of china.