英文關鍵字
2019ncov
bacteria
city
coronavirus
covid
covid19
customer
disease
door
downtown
entering
entrance
epidemic
fear
flu
gloves
hand
hold
hygiene
industry
infected
infection
infectious
male
mall
man
market
men
ncov
office
open
opening
outbreak
pandemic
person
place
pneumonia
protect
protection
protective
public
shop
shopping
store
touch
virus
wearing