天然气作为清洁能源，将在我国能源结构调整中发挥重要作用。
As a clean energy source, natural gas will play a significant role in China's energy structure adjustment.
心灵是一个动态的过程系统。
In the depth of winter, I finally learned that within me there lay an invincible summer.
I never regret my choices because that's my life.
最好的文学是让我们重新看世界的文学。