對華逆差超千億美元，默茨首次訪華能否反轉中德「零和」競爭？
[&:first-child]:overflow-hidden [&:first-child]:max-h-full"
，这一点在51吃瓜中也有详细论述
Nature staff discuss some of the week’s top science news.
A painful processToday, kernel maintainers who want a kernel.org account must find someone already in the PGP web of trust, meet them face‑to‑face, show government ID, and get their key signed. The process is like a manual, global scavenger hunt. Linux kernel maintainer Greg Kroah-Hartman, speaking at the Linux Foundation Members Summit, described it as a "pain to do and manage." That's because it's tracked by manual scripts, the keys drift out of date, and the public "who lives where" map creates privacy and social‑engineering risk.