我们都是自己经历的囚徒，然而我们永远无法完全理解它们。

Wages depend on the price of necessaries required for the support of the laborer.

The concept of reducibility is central to understanding the relationships between different computational problems.

通过高层次的战略规划，能够实现持续有效的变革。

生命的历史由突变书写。