解释：大旱之年收购船只，大水之年抛售船只并收购车辆，待到大旱之年再抛售车辆。
Scientific curiosity must be matched with commercial discipline to bring treatments to those who need them.
The writer is the natural enemy of the state, because the state is based on lies and the writer is based on truth.
成功的关键在于理解并满足他人的需求。
If you're walking down the right path and you're willing to keep walking, eventually you'll make progress.