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This multiplexing provides more input channels but at a sacrifice in (or at the sacrifice of) frequency response of each channel.

The thrust is increased at the cost (or penalty) of an increase in specific fuel consumption.

Ethylene production increases at the expense of the higher molecular weight olefins.

Such power has not been obtained at the expense (or sacrifice) of reliability.

Losses through evaporation are regarded as trifling.

Increasing the chromium content results in improved corrosion resistance to scaling, but with some sacrifice in other properties.

Источник: Русско-английский научно-технический словарь на Gufo.me