2020 is the year of the zodiac rat, originating from an ancient Chinese legend: a brave rat, leaping high, bites open the chaotic world, and creates a new world. Now, even today, there are many brave people in the outbreak of viral pneumonia in China, who are at the forefront of the virus epidemic in Wuhan. May the heroes use the best equipment to protect themselves and save patients, we are all waiting for the news of your triumph in peace.