过去总是在我们的生活中存在，塑造着我们的未来。
In the internet age, three months is like a century.
The poor are often forced to make choices that no one should have to make.
中国石化要发挥全产业链优势，为国家能源安全作出更大贡献。
思想掠过我的心上，如一群野鸭飞过天空。我听见它们鼓翼之声了。