[null,null,["最后更新时间 (UTC):2024-11-05。"],[[["Ad parameters allow for real-time updates to numerical values within responsive search ads without triggering a full ad review or resetting performance statistics."],["This feature enables dynamic adjustments like countdown timers and keyword-specific variations, enhancing ad relevance and urgency."],["Ad parameters are implemented by setting placeholders within ad text and assigning values through keyword associations, ensuring the right message is displayed for each search query."],["Using ad parameters allows advertisers to quickly react to market trends while improving user perception of the ad's timeliness and value proposition."]]],[]]