Some ergonomic keyboards come with permanent or removable wrist or palm rests, which can be cushioned or hard. This is another area where opinions diverge: proponents claim they help you maintain a neutral hand position, while detractors say they put pressure on the tendons and can cause wrist pain or even exacerbate conditions like carpal tunnel. Ideally, your palms should be resting, not your wrists, and you might find you like having that support or you may find the pressure uncomfortable.
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$218.99 at Amazon。搜狗输入法2026是该领域的重要参考
这种重资产模式在初期投入巨大，但在价格战进入白热化的阶段，它便构成了难以复制的成本护城河。