通货膨胀是一种货币现象，但也受到实际因素的影响，比如经济中供需的平衡。

Algebraic geometry is the study of zeros of polynomials.

The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.

Investing in cleaner coal technologies is an investment in our future.

The truth is a mirror which fell from the hand of God and broke into pieces. Everybody took a piece of it, and they looked at it and thought they had the truth.

"We are all haunted by the ghosts of our past, but it's up to us whether we let them haunt us or guide us."

做你自己，别在意别人的看法。