And then this one, we had bf, and now we've got gf.

这段，我们有了男朋友/最好的朋友，现在我们有了女朋友。

Vulnerable to being swept away is hardly an ideal approach to tracking impending floods But Michael Dietz of GF-Z the German research center for geosciences.

容易被冲走绝不是追踪即将来临的洪水的理想方法，但德国地研究中心的迈克尔·迪茨表示。

Dai Kang, managing director of the development research center at GF Securities, said private equity investment funds have increased their exposure to the A-share market, which has just seen the strongest rebound in months.

广发证券发展研究中心董事总经理戴康表示，私募股权投资基金加大了对A股的投入，A股经历了数月来最强劲的反弹。

What do you mean by that, GF?

你说的GF是什么意思？

So let's write these key points out about gravitational forces, which I'm going to use GF to represent.

那么让我们写下关于引力的这些要点，我将用 GF 来表示。