costly adj.

VERBS be, prove

ADV. enormously, exceptionally, excessively, extremely, very | increasingly | fairly, pretty, quite, rather | potentially | relatively

PREP. for The six-month delay will be costly for the company. | in This process is costly in computer time. | in terms of These teaching methods are too costly in terms of staff resources. | to These measures could be costly to employers.

You can also check other dicts: costly (English, 中文解释 ), wordnet sense, Collins Definition

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