会议上他用了很多流行词，比如'赋能'和'闭环'，但实际内容空洞。

He used lots of ___buzzwords like 'empowerment' and 'closed-loop' in the meeting, but the content was hollow.

在市场营销会议上，人们频繁使用'数字化转型'和'增长黑客'这类流行术语。

People frequently use ___buzzwords like 'digital transformation' and 'growth hacking' in marketing meetings.