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

buzzwords 是由 buzz（嗡嗡声，引申为"热议话题"）和 words（词语）组成的复合词，字面意思是"引起热议的词语"。 buzzwords 指那些听起来时髦、专业但实际上可能缺乏实质内容的行业术语或流行语，通常被用来显得说话者很懂行。