A solid and enduring strategy; an unshakeable plan.
为了公司的长远发展，管理层制定了一项金石之策，旨在稳步提升产品质量。
To ensure the company's long-term growth, the management formulated a solid and enduring strategy aimed at steadily improving product quality.
Next Idiom
A solid and enduring strategy; an unshakeable plan.