看了一下 9to5mac 的原文，按照我的理解，Apple 支持的答复的确是“该功能在 iPhone 13 系列上不可用”，以下为英文原文：
We have an update on this. Phone Noise Cancellation is not available on iPhone 13 models, which is why you do not see this option in Settings.
After asking for clarification, whether the iPhone 13 series wouldn’t support noise-cancellation for phone calls, the Apple Support team replied:
That is correct. It is not supported. If you would like to leave feedback about this feature, please feel free to visit: apple.com/Feedback