Payload
来自Big Physics
wiktionary
From pay + load. From the early 20th century.
etymonline
payload (n.)
also pay-load, by 1914, from pay + load (n.). Originally the part of a truck's (later an aircraft's) load from which revenue is derived (passengers, cargo, mail); figurative sense of "bombs, etc. carried by a plane or missile" is from 1936.
