Наука и техника
- Allow transparent backgrounds.
，这一点在夫子中也有详细论述
同样是赚 100 块，2019 年能留下 50 块毛利，2024 年只有 36 了，这还不是净利润……
And many US firms, especially in tech, still have on their payrolls a glut of workers who were brought on during the pandemic, when there was a small hiring boom. That could also help explain the lack of new vacancies.
18:25, 27 февраля 2026Наука и техника