保持领先的唯一方法是不断创新和适应。

Technology and innovation will be key drivers in reducing emissions while meeting global energy needs.

"The unexamined life is not worth living."

"The best way to predict the future is to create it."

The best way to predict the future is to create it.

The heart of the educator must be a living flame, a source of warmth and light.

The night is a great mystery, but the stars are its clues.

Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:

没有社会这种东西，只有个人和家庭。

如果你不改变，你就会灭绝。