Please demonstrate how to say :
许多老年病学专家主张服用维生素E，来治疗轻度的认知衰退。
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Click the red button and your browser will ask for permission to use your microphone. Allow it and start recording.
Say it as loud and as clear as you can! Please only say the given word/phrase once, and do not say anything else or explain anything.
You may then listen to your recording again. Submit it if you are happy with it.