亲眼目睹世道的变化趋向,才知道国家治乱的关键必定在于人心的向背和风俗的好坏。
在量子力学中,测量的行为可以改变被测量系统的状态。
I don't have to be perfect. I just have to try my best.
The construction industry must evolve—or risk becoming obsolete.