VERBS | ADVERB | PREPOSITIONVERBS➤be, seem沒有價值;好像沒有價值▸➤become變得無用➤render sth使⋯變得無用ADVERB➤completely, intrinsically完全/根本沒有價值◇Our shares became completely valueless overnight.一夜之間我們的股票變得一文不值了。PREPOSITION➤as作為⋯沒有價值◇Some of the royal forests had become valueless as hunting grounds.有幾片皇家森林再不能當狩獵場用了。