法律效力的概念对于理解法律的本质至关重要。
The concept of legal validity is crucial for understanding the nature of law.
Every sentence is a journey, and every word is a step.
所有艺术家都有点自恋。
解析：良知在未发之时即已存在。
In manufacturing, precision is everything, but adaptability is what keeps you ahead.
如果你不愿意努力工作，就别指望成功。