Language is the only homeland that never exiles you.

The past is a shadow that follows us everywhere.

The truth is, the past is all we have. We can't change it, but we can learn from it.

二手车市场是信息不对称的经典例子。

能源转型不会一夜发生，但我们必须现在就开始。

天然气开采的创新对于满足世界日益增长的能源需求至关重要。