tree(2, leaf(3), leaf(4)),
Productivity volatility also affects earnings quality. Workers operating near physiological limits tend to produce short bursts of elevated output followed by fatigue, disengagement, or extended leave. That volatility complicates planning and weakens operational predictability. In knowledge-intensive industries, sustainable value depends less on raw throughput and more on judgment, innovation, and collaborative problem-solving. Those capabilities degrade when biological constraints are ignored.
，更多细节参见新收录的资料
#[wasm_bindgen(js_class = Foo)]。新收录的资料对此有专业解读
Sign up for the Breaking News US email to get newsletter alerts in your inbox。新收录的资料是该领域的重要参考