Translation

• essential

Synonyms

• 不可或缺, 少不了, 少不得, 必不可少, 必要, 必需, 画龙点睛, 短不了, 缺一不可

Examples

• 一本英日字典无疑地是一本必备的书，不仅是对那些参加多益考试的人，
  An English-Japanese dictionary is surely a must have book, not just for those taking TOEIC, but for all studying English.