一家在地披薩連鎖店想提高所有帳戶的 Google Ads 廣告活動成效。他們可以透過哪兩種方式，運用最佳化分數提高廣告活動成效？(請選擇兩項)

Google Ads Optimization Score helps improve campaign performance by identifying areas for enhancement. Understanding the possibilities and methods to improve existing campaigns (Option C) is crucial because it provides actionable insights into how to leverage the score effectively. Immediately accepting and implementing optimization recommendations that align with business needs (Option D) directly translates these insights into improved performance. This proactive approach ensures that the account benefits from Google's machine learning suggestions without unnecessary delay. Option A is incorrect because ignoring relevant recommendations defeats the purpose of the optimization score. Option B is incorrect because while individual account scores are important, managing optimization at the manager account level can offer a broader, more strategic view and efficiency for a chain with multiple accounts.