pay·load /ˈpeˌlod/
工資負擔,淨載重量,有效負荷
payload
n 1: the front part of a guided missile or rocket or torpedo that
carries the nuclear or explosive charge or the chemical
or biological agents [syn: warhead, load]
2: goods carried by a large vehicle [syn: cargo, lading, freight,
load, loading, shipment, consignment]