trade-off

trade-off — noun

IPA/ˈtreɪd.ɒf/
KK[trˈedˌɔf]IPA/ˈtreɪd.ɑːf/

1. Two opposing qualities or factors that are linked, such that gaining more of one

1.名詞B2
釋義

Two opposing qualities or factors that are linked, such that gaining more of one necessarily means giving up some of the other.

例句

When designing a smartphone, manufacturers face a trade-off between battery life and device thickness.

face a trade-off between X and Y

In car design, speed and fuel efficiency are often a trade-off that engineers must manage.

X and Y are a trade-off

同義詞
  • compromise

    more interpersonal; implies both sides give up something to reach an agreement

  • balancing act

    more informal; emphasises the ongoing effort of keeping multiple competing elements in check

  • give-and-take

    more conversational; suggests a mutual exchange of concessions

反義詞

文法句型

a trade-off (between X and Y)

X and Y are a trade-off

用法筆記

Often paired with 'between' to introduce the two competing elements. The noun is typically used in singular form ('a trade-off') even when multiple factors are involved.

常見錯誤

There is a trade-off of speed and cost.
There is a trade-off between speed and cost.
💡'between' is the correct preposition to introduce the two opposing factors.
We need to trade-off these two options.
We need a trade-off between these two options.
💡'trade-off' is a noun, not a verb. Use the phrasal verb 'trade off' (no hyphen) for the verb form.

2. A situation where someone deliberately gives up something desirable in exchange

2.名詞B2
釋義

A situation where someone deliberately gives up something desirable in exchange for something else that matters more to them at that moment.

例句

Tamar accepted the lower starting salary as a trade-off for the opportunity to work abroad.

as a trade-off for

Living in a smaller apartment was a trade-off Devika made in order to save money for graduate school.

同義詞
  • exchange

    more neutral; does not imply that one thing is sacrificed for another, just swapped

  • sacrifice

    stronger emotional tone; the thing given up is presented as a loss

  • concession

    more formal; something granted under pressure or negotiation

反義詞
  • free lunch

    informal idiom meaning a benefit obtained without any cost or sacrifice

文法句型

a trade-off (for something)

X is a trade-off (that someone makes) for Y

用法筆記

Commonly follows patterns like 'as a trade-off for' (indicating the thing gained) or 'be a trade-off someone makes for' (emphasizing the voluntary nature of the sacrifice).

常見錯誤

The trade-off of living in the city is the high rent.
The trade-off for living in the city is the high rent.
💡Use 'for', not 'of', to indicate what is given up in exchange.
I made a trade-off my free time for more money.
I made a trade-off of my free time for more money.' or 'I traded off my free time for more money.
💡The noun needs 'of' before the thing sacrificed.

trade-off — phrasal verb

IPA/tɹˈeɪdˈɒf/
KK[trˈedˌɔf]IPA/trˈeɪdˌɔːf/