GA4 認證考試 (GA4 Certification) : 預設通道群組

Which dimension should you use to determine which sources, such as "organic search" or "referral," are driving users to your website?  要判斷哪些來源（例如「organic search 有機搜尋」或「referral 引薦」）正在把使用者帶到你的網站，應該使用哪個維度？  (1) You should use Session source …