agoraphobia

https://www.nhs.uk/mental-health/conditions/agoraphobia/overview/ 

https://www.mayoclinic.org/diseases-conditions/agoraphobia/symptoms-causes/syc-20355987 

https://www.wikiwand.com/zh/%E5%BB%A3%E5%A0%B4%E6%81%90%E6%87%BC%E7%97%87