The concept of legal validity is crucial for understanding the nature of law.

The key to success in new energy vehicles is to focus on user experience and sustainability.

我一直非常有动力和雄心勃勃。我总是想在我所做的任何事情上做到最好。

可持续性不是一种趋势，而是负责任商业的基础。

规模和价值效应是持续存在的异常现象，对有效市场假说提出了挑战。