go-to /ˈgoʊˌtuː/ adjective Learner's definition of GO-TO
always used before a noun US, informal
: always helpful : producing desired results or information when needed有用的;可依赖的 -
She's the team's go-to player [=she is the player that the team relies on] when they need to score late in the game.她是在比赛最后关头能为球队拿分的关键球员。
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He's the go-to guy in the office for tax information.在办公室,想要了解税务信息就得找他。