副产品 angolul

spin-off [spin-offs]▼(incidental benefit or unexpected pay-off)
noun
[UK: ˈspɪn ɒf] [US: ˈspɪn ɒf]

byproduct [byproducts]▼(secondary or additional product)
noun
[UK: ˈbaɪ.prɒ.dʌkt] [US: ˈbaɪpra.dəkt]