"Failing is baked into the core concept of the mechanic" of our A-B-C grading system in schools, he said at a tech conference this year in Austin, Texas.

他在今年德克萨斯州奥斯汀的一次科技会议上说，“失败充满了我们A - B - C的升级系统的核心机制中”。

youdao

At the core of MDA are concepts such as system (as-is or to-be), platform (provides functionality such as J2EE or Web services), and viewpoint (an abstraction to focus on a particular concept).

MDA的核心是系统(现有或以后的系统)、平台(提供J2EE或Web服务等功能)和视角(关注特定概念的抽象概念)之类的概念。

youdao

Justice is the core concept of law as well as the central content of the system of legal value.

正义是法律的核心概念，也是法律价值体系中的核心内容。

youdao