不可或缺 bùkě-huòquē necessary
necessary; must have
怎么记住“不可或缺”: 不 not + 可 may + 或 or + 缺 lack = necessary.
汉字
用法
- 'Indispensable, cannot do without' - 水是生命中不可或缺的 (shuǐ shì shēngmìng zhōng bùkě-huòquē de) water is indispensable to life.
- Formal (或 = 'even slightly'); stronger and more written than plain 必要.