政策制定者应乐于根据新证据修正他们的观点。
Wherever there is modularity there is the potential for misunderstanding: Hiding information implies a need to check communication.
The past is always tense, the future perfect.
Always be learning. The world changes fast, and you need to keep up.
A well-run quarry is a symphony of precision, safety, and respect.《The Quarry Master's Manual》