[] used to say that sth is so good, interesting, useful, fashionable, etc. that people will want to own it必不可少的◆Web access will soon become a standard, must-have feature for mobile phones.能够上网将很快成为移动电话的一项必备功能。⨁a must-have accessory / feature / item / product必备的附件／特色／项目／产品▸ˈmust-have
noun
[] ◆These shoes are a definite must-have this summer.这种鞋子是今年夏天的必备品。◆the latest trendy must-haves最新流行的必备品