[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[[["Google's AI-based system, SpamBrain, significantly reduced spam in search results in 2021, identifying nearly six times more spam sites than in 2020."],["Google launched updates to combat link spam, scams, and online harassment, resulting in a 40% reduction in scammy results and improved protection for users."],["Efforts were made to improve the ranking of product review queries by reducing low-quality reviews and promoting genuine, hands-on reviews with expertise."],["Google is actively working to reduce manipulative behaviors that degrade user experience, even if they don't directly violate quality guidelines."],["Users are encouraged to provide feedback on manipulative behaviors encountered in search results to help Google further enhance search quality."]]],[]]