VERBS | ADVERB | PREPOSITION | PHRASESVERBS➤be, seem節約;好像經濟◇Solid fuel would be more economical.固體燃料會更加經濟。ADVERB➤extremely, fairly, very, etc.極其/頗為/非常節約▸➤highly, remarkably非常經濟◇This new oven is highly economical.這個新烤箱非常節能。PREPOSITION➤in在⋯方面經濟◇This arrangement is more economical in its use of staff.這種安排比較節約員工人力。➤of在⋯方面節約◇more economical of time and resources更節約時間和資源➤with在⋯方面節省◇This arrangement is more economical with space.這種安排更節省空間。PHRASES➤economical with the truth隱瞞事實◇She accused him of being economical with the truth (= not telling the truth).她指責他沒有把真相說出來。