- an official or authoritative instruction指示; 命令：
a new EC directive.
欧共体的一项新指令。
- involving the management or guidance of operations管理的, 指导的：
the authority is seeking a directive role in energy policy.
当局寻求在能源政策问题上扮演指导性的角色。
词源
late Middle English (as an adjective)： from medieval Latin directivus, from direct- 'guided, put straight', from the verb dirigere （see DIRECT）.