在会议上，经理不断抛出'数字化转型'这样的流行词，却没有具体说明如何实施。

In the meeting, the manager kept dropping ___buzzwords like 'digital transformation' without explaining how to implement it.

现在很多人都把'元宇宙'当作流行词来用，却并不真正了解它的含义。

Many people use 'metaverse' as a ___buzzword without really understanding what it means.