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Ginger helps to translate documents into 40+ languages while Grammarly doesn't have a translation feature.，更多细节参见safew官方版本下载
Александра Статных (Редактор отдела «Путешествия»)。业内人士推荐safew官方版本下载作为进阶阅读
// 易错点4：仅处理栈非空的情况，忽略栈空的情况 → 栈空时res[i]会是undefined