唉，太小看美国人了

https://www.webmd.com/cold-and-flu/8-tips-to-treat-colds-and-flu-the-natural-way#1

 

https://www.healthline.com/health/cold-flu/how-to-get-rid-of-a-cold-fast#echinacea

 

https://vicks.com/en-us/treatments/how-to-treat-a-cold/how-to-get-rid-of-a-cold