A05·北京SourcePh" style="display:none"
3It wasn’t the first time that nations at war turned to seaweed. During the First World War, the U.S. relied on the giant kelp seaweed (Macrocystis) to boost production of potash (a fertilizer produced in Germany), gunpowder, and acetone.
，这一点在搜狗输入法2026中也有详细论述
So how do we keep the power without the syntax tax?
// 优化点：仅i<len时赋值（避免重复赋值，提升效率）