When I woke up this morning, it was raining cats and dogs outside, and the temperature was very low. I originally planned to ride a bike in Central Park, but it was hard to say at that time. I like to do some exercise every morning, and I spend the rest of my time working. The morning is my only chance to exercise. But do I really want to be drenched in this cold day and catch a cold? I decided to go cycling, but I was still hesitating when I put on my sportswear and pushed the car out of the...