经济学的研究最终是对人类行为及其后果的研究。
Our industry is going through a period of significant change, and we must adapt to stay competitive.
我们的行业正在经历重大变革,我们必须适应以保持竞争力。
Sustainability isn't a trend; it's our responsibility to future generations.
The most effective way to destroy people is to deny and obliterate their own understanding of their history.
一个命题的证明是一种性质使得我们相信该命题的过程。