static symbol never referenced 变量定义未使用
never static
从来没有静态
以上为机器翻译结果，长、整句建议使用 人工翻译 。
What is a winning idea in this world of real-time optimization, where the idea is never static, but constantly shifting by design?
FORBES: Musings On The Way To Cannes
Capital is finite, but never static.
FORBES: Our Denial of Nature Undermines the Economic Recovery
The earth beneath our feet is never completely static.
BBC: Q&A: UK's small-scale earthquakes
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模块下移
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