Monetary policy is a powerful tool, but it cannot solve all economic problems; it must be complemented by sound fiscal policies.
货币政策是一个强大的工具，但它不能解决所有的经济问题；它必须辅以健全的财政政策。
A good abstraction is one that captures the essential aspects of a concept while ignoring the irrelevant details.
平静：不要被琐事、普通或者不可避免的事所扰。
The health of our waters is directly tied to the health of our communities.