required reserves法定准备金;存款准备金;法定预备金
Authorization Required需要授权;需要认证
Required fields请求域;必填栏目;为必须输入资料;需要领域
Attendance Required必须出席;要求参加;必须参加
Required Module必修课;必修模块
Experience required经验要求;工作经验;岗位要求;所需经验
BUYERS REQUIRED买家必读;顾客必读
required voltage要求电压;适用电压
techniques required技术要求
V-T（及物动词） If you require something or if something is required, you need it or it is necessary. 需要 [正式]
If you require further information, you should consult the registrar.
如果你需要进一步的信息，你应该向注册主任咨询。
V-T（及物动词） If a law or rule requires you to do something, you have to do it. 要求 [正式]
The rules also require employers to provide safety training.
这些规定也要求雇主们提供安全训练。