ブラックボックス

noun

black box; flight recorder

Aviation term for the flight data recorder and cockpit voice recorder, typically orange despite the name.

• 事じ故こ機きのブラックボックスが回かい収しゅうされた。

  The black box from the crashed plane was recovered.

noun

black box; opaque system

General term for any device or system whose internal workings are hidden or not understood by the user.

• AIの判はん断だんプロセスはしばしばブラックボックスだと言いわれる。

  The decision-making process of AI is often said to be a black box.