placement: “across chest height”
Sixty-eight hours after take-off, they made it.
，这一点在夫子中也有详细论述
In 2011, hackers successfully cracked the main Linux development site, kernel.org. Afterward, to make sure this didn't happen again, the kernel's PGP web of trust was explicitly "bootstrapped" at a face-to-face key‑signing session during the 2011 Kernel Summit.
彼时竹炭刚毕业，入职互联网公司两三个月，始终无法适应公司的压抑氛围，不愿被繁琐的流程束缚。波波顺势发出邀约：“要不我们搞个工作室，自己做独立游戏算了。”