In fact, you should do it when you are young, because people are afraid of getting sick.

And the transmission route of the virus that is closely related to us every day is air.

Think of it this way. If you buy an air purifier and spend about 2000 yuan, you can reduce the chance of getting sick and get rid of all kinds of smells in the air that bother you every day, which is equivalent to spending a small amount of money to make a big investment in life. A good figure is really important.