人生是一堂漫长的谦卑课。
La vie est une longue leçon d'humilité.
Sustainability isn't an option; it's a necessity for the energy sector.
Great things in business are never done by one person. They're done by a team of people.
The first rule of quality is that it must be defined.
每一个超限的一致多重性，即每一个超限集合，必须有一个确定的阿列夫作为其基数。