| 形 necessary; essential; indispensable: |
| | 必要时 when needed; if the need arises; in case of necessity |
| | 提供必要的资金 provide the requisite capital |
| | 没有必要再讨论了。 No more discussion is needed. |
| | 必要性 necessity |
| | 必要产品 【经】 necessary product |
| | 必要劳动 【经】 necessary labour |
| | 必要前提 prerequisite; precondition |
| | 必要条件 essential condition; prerequisite |
