Definition: working or operating quickly and effectively in an organized way Level: B1
波士顿的公共交通系统非常高效。
The public transportation system in Boston is highly ___efficient.
我们团队需要一位高效的经理来简化工作流程。
Our team needs an ___efficient manager to streamline the workflow.
新助理非常高效且有礼貌。
The new assistant is incredibly ___efficient and courteous.
