Sometimes the questions are complicated and the answers are simple.
有时候问题很复杂，但答案却很简单。
燃气发动机是所有热机中最完美的，因为它结合了蒸汽机和内燃机的优点。
The death of a beautiful woman is, unquestionably, the most poetical topic in the world.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
真相就在那里，但它常常隐藏在细节中。